Fatal error: Uncaught Error: Class "Symfony\Component\ErrorHandler\Error\FatalError" not found in C:\Apache24_x64\htdocs\origin_cms8\vendor\symfony\error-handler\Error\OutOfMemoryError.php:14 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\origin_cms8\vendor\symfony\error-handler\Error\OutOfMemoryError.php on line 14