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Nutze den Debug-Modus und poste den Stack Trace.
Code:
[2/2] RuntimeError
Twig\Error\RuntimeError:
An exception has been thrown during the rendering of a template ("System::import() failed because class "eikona_media.contao.system_information.listener.navigation" is not a valid class name or does not exist.").
at vendor/contao/core-bundle/src/Resources/views/Backend/be_menu.html.twig:4
at Twig\Template->displayWithErrorHandling(array('app' => object(AppVariable)), array())
(vendor/twig/twig/src/Template.php:378)
at Twig\Template->display(array())
(vendor/twig/twig/src/Template.php:390)
at Twig\Template->render(array(), array())
(vendor/twig/twig/src/TemplateWrapper.php:45)
at Twig\TemplateWrapper->render(array())
(vendor/twig/twig/src/Environment.php:318)
at Twig\Environment->render('@ContaoCore/Backend/be_menu.html.twig')
(vendor/contao/core-bundle/src/Resources/contao/controllers/BackendMain.php:253)
at Contao\BackendMain->output()
(vendor/contao/core-bundle/src/Resources/contao/controllers/BackendMain.php:171)
at Contao\BackendMain->run()
(vendor/contao/core-bundle/src/Controller/BackendController.php:48)
at Contao\CoreBundle\Controller\BackendController->mainAction()
(vendor/symfony/http-kernel/HttpKernel.php:158)
at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
(vendor/symfony/http-kernel/HttpKernel.php:80)
at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
(vendor/symfony/http-kernel/Kernel.php:201)
at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
(web/index.php:31)
Code:
[1/2] RuntimeException
RuntimeException:
System::import() failed because class "eikona_media.contao.system_information.listener.navigation" is not a valid class name or does not exist.
at vendor/contao/core-bundle/src/Resources/contao/library/Contao/System.php:198
at Contao\System->import('eikona_media.contao.system_information.listener.navigation')
(vendor/contao/core-bundle/src/Resources/contao/classes/BackendUser.php:551)
at Contao\BackendUser->navigation()
(vendor/contao/core-bundle/src/EventListener/Menu/BackendMenuListener.php:85)
at Contao\CoreBundle\EventListener\Menu\BackendMenuListener->buildMainMenu(object(MenuEvent), object(BackendUser))
(vendor/contao/core-bundle/src/EventListener/Menu/BackendMenuListener.php:75)
at Contao\CoreBundle\EventListener\Menu\BackendMenuListener->__invoke(object(MenuEvent), 'contao.backend_menu_build', object(TraceableEventDispatcher))
(vendor/symfony/event-dispatcher/Debug/WrappedListener.php:126)
at Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke(object(MenuEvent), 'contao.backend_menu_build', object(TraceableEventDispatcher))
(vendor/symfony/event-dispatcher/EventDispatcher.php:251)
at Symfony\Component\EventDispatcher\EventDispatcher->callListeners(array(object(WrappedListener), object(WrappedListener), object(WrappedListener), object(WrappedListener), object(WrappedListener)), 'contao.backend_menu_build', object(MenuEvent))
(vendor/symfony/event-dispatcher/EventDispatcher.php:73)
at Symfony\Component\EventDispatcher\EventDispatcher->dispatch(object(MenuEvent), 'contao.backend_menu_build')
(vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:168)
at Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch(object(MenuEvent), 'contao.backend_menu_build')
(vendor/contao/core-bundle/src/Menu/BackendMenuBuilder.php:49)
at Contao\CoreBundle\Menu\BackendMenuBuilder->buildMainMenu(array())
(vendor/knplabs/knp-menu/src/Knp/Menu/Provider/LazyProvider.php:39)
at Knp\Menu\Provider\LazyProvider->get('be_menu', array())
(vendor/knplabs/knp-menu/src/Knp/Menu/Provider/ChainProvider.php:23)
at Knp\Menu\Provider\ChainProvider->get('be_menu', array())
(vendor/knplabs/knp-menu/src/Knp/Menu/Twig/Helper.php:56)
at Knp\Menu\Twig\Helper->get('be_menu', array())
(vendor/knplabs/knp-menu/src/Knp/Menu/Twig/Helper.php:162)
at Knp\Menu\Twig\Helper->castMenu('be_menu')
(vendor/knplabs/knp-menu/src/Knp/Menu/Twig/Helper.php:91)
at Knp\Menu\Twig\Helper->render('be_menu', array(), null)
(vendor/knplabs/knp-menu/src/Knp/Menu/Twig/MenuExtension.php:76)
at Knp\Menu\Twig\MenuExtension->render('be_menu')
(var/cache/dev/twig/64/6404b35179995c97b61ef63f676b9732c8747333686798e33bf5d1c9f5525ac9.php:54)
at __TwigTemplate_81136f23ee597f93542749fbaf806088882d3abb85fd1b338fe20f321cecf14b->doDisplay(array('app' => object(AppVariable)), array())
(vendor/twig/twig/src/Template.php:405)
at Twig\Template->displayWithErrorHandling(array('app' => object(AppVariable)), array())
(vendor/twig/twig/src/Template.php:378)
at Twig\Template->display(array())
(vendor/twig/twig/src/Template.php:390)
at Twig\Template->render(array(), array())
(vendor/twig/twig/src/TemplateWrapper.php:45)
at Twig\TemplateWrapper->render(array())
(vendor/twig/twig/src/Environment.php:318)
at Twig\Environment->render('@ContaoCore/Backend/be_menu.html.twig')
(vendor/contao/core-bundle/src/Resources/contao/controllers/BackendMain.php:253)
at Contao\BackendMain->output()
(vendor/contao/core-bundle/src/Resources/contao/controllers/BackendMain.php:171)
at Contao\BackendMain->run()
(vendor/contao/core-bundle/src/Controller/BackendController.php:48)
at Contao\CoreBundle\Controller\BackendController->mainAction()
(vendor/symfony/http-kernel/HttpKernel.php:158)
at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Request), 1)
(vendor/symfony/http-kernel/HttpKernel.php:80)
at Symfony\Component\HttpKernel\HttpKernel->handle(object(Request), 1, true)
(vendor/symfony/http-kernel/Kernel.php:201)
at Symfony\Component\HttpKernel\Kernel->handle(object(Request))
(web/index.php:31)