Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in I:\www\picman\vendor\symfony\monolog-bundle\DependencyInjection\MonologExtension.php:46 Stack trace: #0 {main} thrown in I:\www\picman\vendor\symfony\monolog-bundle\DependencyInjection\MonologExtension.php on line 46