Fatal error: Uncaught Error: Call to undefined function Symfony\Component\HttpKernel\DependencyInjection\trigger_deprecation() in C:\wamp64\houda\vendor\symfony\http-kernel\DependencyInjection\Extension.php:16 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\symfony\http-kernel\DependencyInjection\Extension.php on line 16