Error 500 Internal Server Error

GET https://intranet.blitzen.de/technical-items/edit/7

Exceptions

Impossible to access an attribute ("roles") on a null variable.

Exception

Twig\Error\ RuntimeError

in vendor/twig/twig/src/Template.php -> doDisplay (line 394)
    in vendor/twig/twig/src/Template.php -> displayWithErrorHandling (line 367)
      in vendor/twig/twig/src/Template.php -> display (line 379)
        in vendor/twig/twig/src/Template.php -> block_body (line 171)
          in vendor/twig/twig/src/Template.php -> doDisplay (line 394)
            in vendor/twig/twig/src/Template.php -> displayWithErrorHandling (line 367)
              in vendor/twig/twig/src/Template.php -> doDisplay (line 394)
                in vendor/twig/twig/src/Template.php -> displayWithErrorHandling (line 367)
                  in vendor/twig/twig/src/Template.php -> display (line 379)
                    AbstractController->render() in src/Controller/TechnicalItemsController.php (line 383)
                      in vendor/autoload_runtime.php -> run (line 29)
                        require_once('/var/www/inventar/vendor/autoload_runtime.php') in public/index.php (line 5)
                        1. <?php
                          
                          use App\Kernel;
                          
                          require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
                          
                          return function (array $context) {
                              return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
                          };
                          

                        Logs

                        Level Message
                        info 20:08:52 Matched route "_profiler".
                        {
                            "route": "_profiler",
                            "route_parameters": {
                                "_route": "_profiler",
                                "_controller": "web_profiler.controller.profiler::panelAction",
                                "token": "221050"
                            },
                            "request_uri": "https://intranet.blitzen.de/_profiler/221050",
                            "method": "GET"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\Security\Http\Firewall\ContextListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\Security\\Http\\Firewall\\ContextListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ResponseListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ResponseListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\WebLink\EventListener\AddLinkHeaderListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\WebLink\\EventListener\\AddLinkHeaderListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ProfilerListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::removeCspHeader".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::removeCspHeader"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Bundle\WebProfilerBundle\EventListener\WebDebugToolbarListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Bundle\\WebProfilerBundle\\EventListener\\WebDebugToolbarListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\DisallowRobotsIndexingListener::onResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DisallowRobotsIndexingListener::onResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\WebpackEncoreBundle\EventListener\ResetAssetsEventListener::resetAssets".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\WebpackEncoreBundle\\EventListener\\ResetAssetsEventListener::resetAssets"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\Security\Http\Firewall\ContextListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\Security\\Http\\Firewall\\ContextListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ResponseListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ResponseListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\WebLink\EventListener\AddLinkHeaderListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\WebLink\\EventListener\\AddLinkHeaderListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ProfilerListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::removeCspHeader".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::removeCspHeader"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Bundle\WebProfilerBundle\EventListener\WebDebugToolbarListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Bundle\\WebProfilerBundle\\EventListener\\WebDebugToolbarListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\DisallowRobotsIndexingListener::onResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DisallowRobotsIndexingListener::onResponse"
                        }
                        debug 20:08:52 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelResponse".
                        {
                            "event": "kernel.response",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelResponse"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\WebpackEncoreBundle\EventListener\ResetAssetsEventListener::resetAssets".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\WebpackEncoreBundle\\EventListener\\ResetAssetsEventListener::resetAssets"
                        }
                        debug 20:08:52 Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelFinishRequest".
                        {
                            "event": "kernel.finish_request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelFinishRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
                        }
                        debug 20:08:52 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
                        {
                            "event": "kernel.request",
                            "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
                        {
                            "event": "kernel.controller",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
                        }
                        debug 20:08:52 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments".
                        {
                            "event": "kernel.controller_arguments",
                            "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
                        }

                        Stack Trace

                        RuntimeError
                        Twig\Error\RuntimeError:
                        Impossible to access an attribute ("roles") on a null variable.
                        
                          at templates/technical_items/_form.html.twig:11
                          at twig_get_attribute()
                             (var/cache/dev/twig/bd/bdd61c18eab3423d6856dfd4e30b1f60.php:58)
                          at __TwigTemplate_ed5d9f6fc6d2d9d307894a535a74e46f->doDisplay()
                             (vendor/twig/twig/src/Template.php:394)
                          at Twig\Template->displayWithErrorHandling()
                             (vendor/twig/twig/src/Template.php:367)
                          at Twig\Template->display()
                             (vendor/twig/twig/src/Template.php:379)
                          at Twig\Template->render()
                             (vendor/twig/twig/src/TemplateWrapper.php:38)
                          at Twig\TemplateWrapper->render()
                             (vendor/twig/twig/src/Extension/CoreExtension.php:1347)
                          at twig_include()
                             (var/cache/dev/twig/39/39a880caf8882db7c78b935b9ccc47bd.php:100)
                          at __TwigTemplate_7305d4de0a9287aa9ef900f471e9f53a->block_body()
                             (vendor/twig/twig/src/Template.php:171)
                          at Twig\Template->displayBlock()
                             (var/cache/dev/twig/21/212215957fde5e418b2bfd4a5aa743b3.php:79)
                          at __TwigTemplate_9c62f4a9550e4a62e5a955818e024304->doDisplay()
                             (vendor/twig/twig/src/Template.php:394)
                          at Twig\Template->displayWithErrorHandling()
                             (vendor/twig/twig/src/Template.php:367)
                          at Twig\Template->display()
                             (var/cache/dev/twig/39/39a880caf8882db7c78b935b9ccc47bd.php:49)
                          at __TwigTemplate_7305d4de0a9287aa9ef900f471e9f53a->doDisplay()
                             (vendor/twig/twig/src/Template.php:394)
                          at Twig\Template->displayWithErrorHandling()
                             (vendor/twig/twig/src/Template.php:367)
                          at Twig\Template->display()
                             (vendor/twig/twig/src/Template.php:379)
                          at Twig\Template->render()
                             (vendor/twig/twig/src/TemplateWrapper.php:38)
                          at Twig\TemplateWrapper->render()
                             (vendor/twig/twig/src/Environment.php:280)
                          at Twig\Environment->render()
                             (vendor/symfony/framework-bundle/Controller/AbstractController.php:242)
                          at Symfony\Bundle\FrameworkBundle\Controller\AbstractController->renderView()
                             (vendor/symfony/framework-bundle/Controller/AbstractController.php:253)
                          at Symfony\Bundle\FrameworkBundle\Controller\AbstractController->render()
                             (src/Controller/TechnicalItemsController.php:383)
                          at App\Controller\TechnicalItemsController->edit()
                             (vendor/symfony/http-kernel/HttpKernel.php:163)
                          at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
                             (vendor/symfony/http-kernel/HttpKernel.php:74)
                          at Symfony\Component\HttpKernel\HttpKernel->handle()
                             (vendor/symfony/http-kernel/Kernel.php:184)
                          at Symfony\Component\HttpKernel\Kernel->handle()
                             (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
                          at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
                             (vendor/autoload_runtime.php:29)
                          at require_once('/var/www/inventar/vendor/autoload_runtime.php')
                             (public/index.php:5)