Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Container" not found in C:\WebServer\core\apache\htdocs\pma\vendor\symfony\dependency-injection\ContainerBuilder.php:55 Stack trace: #0 {main} thrown in C:\WebServer\core\apache\htdocs\pma\vendor\symfony\dependency-injection\ContainerBuilder.php on line 55