Fatal error: Uncaught Error: Class name must be a valid object or a string in /var/www/clients/client5/web20/web/sfw_more/BlogBundle/Controller/ArticleFrontController.php:70 Stack trace: #0 /var/www/clients/client5/web20/web/sfw_more/BlogBundle/Controller/ArticleFrontController.php(31): BlogBundle\Controller\ArticleFrontController->editorDisplay(0, Object(StoobyFw\Component\Http\Request), Object(Doctrine\ORM\EntityManager), Object(StoobyFw\Component\I18n\Translate), Object(StoobyFw\Component\Security\SecurityContext)) #1 [internal function]: BlogBundle\Controller\ArticleFrontController->addDisplay(Object(StoobyFw\Component\Http\Request), Object(Doctrine\ORM\EntityManager), Object(StoobyFw\Component\I18n\Translate), Object(StoobyFw\Component\Security\SecurityContext)) #2 /var/www/clients/client5/web20/web/sfw_lib/mgfreelance/stoobyfw/Component/Kernel.php(530): ReflectionMethod->invokeArgs(Object(BlogBundle\Controller\ArticleFrontController), Array) #3 /var/www/clients/client5/web20/web/sfw_lib/mgfreelance/stoobyfw/Componen in /var/www/clients/client5/web20/web/sfw_more/BlogBundle/Controller/ArticleFrontController.php on line 70