Symfony Exception

Error

HTTP 500 Internal Server Error

Call to a member function getSlug() on null

Exception

Error

  1.             'active' => true
  2.         ]);
  3.         $url $this->generateUrl('mediathek_details', [
  4.             'mediathekid' => $mediathekId,
  5.             'slug' => $this->slugify($mediathek->getSlug() ?? $mediathek->getName())
  6.         ]);
  7.         // Redirect if url not formed correctly
  8.         $currentUrl $request->getSchemeAndHttpHost() . $request->getRequestUri();
  9.         $url $request->getSchemeAndHttpHost() . $url;
  1.         $this->dispatcher->dispatch($eventKernelEvents::CONTROLLER_ARGUMENTS);
  2.         $controller $event->getController();
  3.         $arguments $event->getArguments();
  4.         // call controller
  5.         $response $controller(...$arguments);
  6.         // view
  7.         if (!$response instanceof Response) {
  8.             $event = new ViewEvent($this$request$type$response$event);
  9.             $this->dispatcher->dispatch($eventKernelEvents::VIEW);
  1.         $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  2.         $this->requestStack->push($request);
  3.         $response null;
  4.         try {
  5.             return $response $this->handleRaw($request$type);
  6.         } catch (\Throwable $e) {
  7.             if ($e instanceof \Error && !$this->handleAllThrowables) {
  8.                 throw $e;
  9.             }
  1.         $this->boot();
  2.         ++$this->requestStackSize;
  3.         $this->resetServices true;
  4.         try {
  5.             return $this->getHttpKernel()->handle($request$type$catch);
  6.         } finally {
  7.             --$this->requestStackSize;
  8.         }
  9.     }
Kernel->handle() in public/index.php (line 37)
  1.     Request::setTrustedHosts(explode(','$trustedHosts));
  2. }
  3. $kernel = new Kernel($env$debug);
  4. $request Request::createFromGlobals();
  5. $response $kernel->handle($request);
  6. $response->send();
  7. $kernel->terminate($request$response);

Logs 2

Level Channel Message
INFO 16:43:37 php User Deprecated: The Liip\ImagineBundle\Templating\FilterTrait trait is deprecated since version 2.7 and will be removed in 3.0; use Twig instead.
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: The Liip\ImagineBundle\Templating\FilterExtension class is deprecated since version 2.7 and will be removed in 3.0; configure "liip_imagine.twig.mode" to "lazy" instead.
{
    "exception": {}
}
CRITICAL 16:43:37 php Uncaught Error: Call to a member function getSlug() on null
{
    "exception": {}
}
INFO 16:43:37 request Matched route "mediathek_details".
{
    "route": "mediathek_details",
    "route_parameters": {
        "_route": "mediathek_details",
        "_locale": "de",
        "_controller": "App\\Controller\\MediathekController::details",
        "mediathekid": "270",
        "slug": "die-top-20-der-heilpflanzen-im-therapeutischen-einsatz"
    },
    "request_uri": "http://www.isg-akademie.de/mediathek/270/die-top-20-der-heilpflanzen-im-therapeutischen-einsatz",
    "method": "GET"
}
DEBUG 16:43:37 security Checking for authenticator support.
{
    "firewall_name": "website",
    "authenticators": 2
}
DEBUG 16:43:37 security Checking support on authenticator.
{
    "firewall_name": "website",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\FormLoginAuthenticator"
}
DEBUG 16:43:37 security Authenticator does not support the request.
{
    "firewall_name": "website",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\FormLoginAuthenticator"
}
DEBUG 16:43:37 security Checking support on authenticator.
{
    "firewall_name": "website",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\RememberMeAuthenticator"
}
DEBUG 16:43:37 security Authenticator does not support the request.
{
    "firewall_name": "website",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\RememberMeAuthenticator"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "App\EventSubscriber\RequestSubscriber::onRequest".
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\RequestSubscriber::onRequest"
}
INFO 16:43:37 php User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.cached_reader" service is deprecated without replacement.
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.reader" service is deprecated without replacement.
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.cache_adapter" service is deprecated without replacement.
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: The annotation mapping driver is deprecated and will be removed in Doctrine ORM 3.0, please migrate to the attribute or XML driver. (AnnotationDriver.php:68 called by App_KernelDevDebugContainer.php:1615, https://github.com/doctrine/orm/issues/10098, package doctrine/orm)
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: In ORM 3.0, the AttributeDriver will report fields for the classes where they are declared. This may uncover invalid mapping configurations. To opt into the new mode also with the AnnotationDriver today, set the "reportFieldsWhereDeclared" constructor parameter to true. (AnnotationDriver.php:78 called by App_KernelDevDebugContainer.php:1615, https://github.com/doctrine/orm/pull/10455, package doctrine/orm)
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: Creating Doctrine\ORM\Mapping\UnderscoreNamingStrategy without setting second argument $numberAware=true is deprecated and will be removed in Doctrine ORM 3.0. (UnderscoreNamingStrategy.php:47 called by App_KernelDevDebugContainer.php:859, https://github.com/doctrine/orm/pull/7908, package doctrine/orm)
{
    "exception": {}
}
INFO 16:43:37 doctrine Connecting with parameters {params}
{
    "params": {
        "driver": "pdo_mysql",
        "host": "185.163.119.176",
        "port": 3306,
        "user": "isg",
        "password": "<redacted>",
        "driverOptions": [],
        "defaultTableOptions": {
            "collation": "utf8mb4_unicode_ci"
        },
        "dbname": "isg",
        "charset": "utf8mb4"
    }
}
INFO 16:43:37 php User Deprecated: Support for MariaDB < 10.4 is deprecated and will be removed in DBAL 4. Consider upgrading to a more recent version of MariaDB. (AbstractMySQLDriver.php:50 called by AbstractDriverMiddleware.php:68, https://github.com/doctrine/dbal/pull/6110, package doctrine/dbal)
{
    "exception": {}
}
INFO 16:43:37 php User Deprecated: Not enabling lazy ghost objects is deprecated and will not be supported in Doctrine ORM 3.0. Ensure Doctrine\ORM\Configuration::setLazyGhostObjectEnabled(true) is called to enable them. (ProxyFactory.php:166 called by EntityManager.php:178, https://github.com/doctrine/orm/pull/10837/, package doctrine/orm)
{
    "exception": {}
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "App\EventSubscriber\CurrencySubscriber::onKernelRequest".
{
    "event": "kernel.controller",
    "listener": "App\\EventSubscriber\\CurrencySubscriber::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
}
DEBUG 16:43:37 event 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 16:43:37 event 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 16:43:37 event Notified event "kernel.controller_arguments" to listener "ContainerIwj8Q5G\RequestPayloadValueResolverGhost3590451::onKernelControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerIwj8Q5G\\RequestPayloadValueResolverGhost3590451::onKernelControllerArguments"
}
DEBUG 16:43:37 event 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 16:43:37 event 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 16:43:37 event 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 16:43:37 doctrine Executing statement: SELECT t0.id AS id_1, t0.description AS description_2, t0.slug AS slug_3, t0.created AS created_4, t0.name AS name_5, t0.basicplus AS basicplus_6, t0.custom_amount_basic AS custom_amount_basic_7, t0.custom_amount_premium AS custom_amount_premium_8, t0.free AS free_9, t0.type AS type_10, t0.video_file AS video_file_11, t0.length AS length_12, t0.active AS active_13, t0.visible AS visible_14, t0.text AS text_15, t0.count_free AS count_free_16, t0.event_id AS event_id_17, t0.speaker_id AS speaker_id_18, t0.seo_id AS seo_id_19 FROM mediathek t0 WHERE t0.id = ? AND t0.active = ? LIMIT 1 (parameters: {params}, types: {types})
{
    "sql": "SELECT t0.id AS id_1, t0.description AS description_2, t0.slug AS slug_3, t0.created AS created_4, t0.name AS name_5, t0.basicplus AS basicplus_6, t0.custom_amount_basic AS custom_amount_basic_7, t0.custom_amount_premium AS custom_amount_premium_8, t0.free AS free_9, t0.type AS type_10, t0.video_file AS video_file_11, t0.length AS length_12, t0.active AS active_13, t0.visible AS visible_14, t0.text AS text_15, t0.count_free AS count_free_16, t0.event_id AS event_id_17, t0.speaker_id AS speaker_id_18, t0.seo_id AS seo_id_19 FROM mediathek t0 WHERE t0.id = ? AND t0.active = ? LIMIT 1",
    "params": {
        "1": "270",
        "2": 1
    },
    "types": {
        "1": 1,
        "2": 5
    }
}
INFO 16:43:37 php User Deprecated: Since symfony/validator 6.4: Method "Symfony\Component\Validator\ValidatorBuilder::setDoctrineAnnotationReader()" is deprecated without replacement.
{
    "exception": {}
}
CRITICAL 16:43:37 request Uncaught PHP Exception Error: "Call to a member function getSlug() on null" at MediathekController.php line 140
{
    "exception": {}
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest".
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.request" to listener "App\EventSubscriber\RequestSubscriber::onRequest".
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\RequestSubscriber::onRequest"
}
INFO 16:43:37 php User Deprecated: Since symfony/serializer 6.4: Passing a "Doctrine\Common\Annotations\PsrCachedReader" instance as argument 1 to "Symfony\Component\Serializer\Mapping\Loader\AttributeLoader::__construct()" is deprecated, pass null or omit the parameter instead.
{
    "exception": {}
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "App\EventSubscriber\CurrencySubscriber::onKernelRequest".
{
    "event": "kernel.controller",
    "listener": "App\\EventSubscriber\\CurrencySubscriber::onKernelRequest"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
}
DEBUG 16:43:37 event Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController".
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
}
DEBUG 16:43:37 event 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 16:43:37 event 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 16:43:37 event Notified event "kernel.controller_arguments" to listener "ContainerIwj8Q5G\RequestPayloadValueResolverGhost3590451::onKernelControllerArguments".
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerIwj8Q5G\\RequestPayloadValueResolverGhost3590451::onKernelControllerArguments"
}
DEBUG 16:43:37 event 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 16:43:37 event 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 16:43:37 event 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

Error
Error:
Call to a member function getSlug() on null

  at src/Controller/MediathekController.php:140
  at App\Controller\MediathekController->details()
     (vendor/symfony/http-kernel/HttpKernel.php:181)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:197)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (public/index.php:37)                
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Attempt #