Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Call to a member function setMediaPreview() on null in /home/users/specialnew/eb/src/FrontBundle/Controller/ArticleController.php:32 Stack trace: #0 /home/users/specialnew/eb/vendor/symfony/http-kernel/HttpKernel.php(149): App\FrontBundle\Controller\ArticleController->itemAction(Object(Symfony\Component\HttpFoundation\Request), Object(App\FrontBundle\Lib\Stat\StatSaver), Object(App\FrontBundle\Lib\Content\ContentAccessRestrictor), Object(App\FrontBundle\Lib\Content\ContentInCategoryGetter), Object(App\FrontBundle\Lib\Category\CategorySpacesGetter), Object(App\CmsBundle\Lib\Content\SpareGetter), NULL, NULL) #1 /home/users/specialnew/eb/vendor/symfony/http-kernel/HttpKernel.php(66): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #2 /home/users/specialnew/eb/vendor/symfony/http-kernel/Kernel.php(188): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Reque in /home/users/specialnew/eb/templates/base.html.twig on line 37