Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Call to a member function getTemplateInfo() on null in /var/www/html/src/AppBundle/Controller/ExceptionController.php:37 Stack trace: #0 [internal function]: AppBundle\Controller\ExceptionController->showExceptionAction(Object(Symfony\Component\HttpFoundation\Request), Object(Symfony\Component\Debug\Exception\FlattenException), Object(Symfony\Bridge\Monolog\Logger), 'html') #1 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(153): call_user_func_array(Array, Array) #2 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 2) #3 /var/www/html/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php(50): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 2, false) #4 [internal function]: Symfony\Com in /var/www/html/src/AppBundle/Controller/ExceptionController.php on line 37