Fatal error: Uncaught Error: Class "Symfony\Component\Debug\Exception\FatalErrorException" not found in C:\Apache24\htdocs\cw\vendor\symfony\debug\Exception\UndefinedMethodException.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cw\vendor\symfony\debug\Exception\UndefinedMethodException.php on line 23