Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\monolog-bundle\DependencyInjection\MonologExtension.php:39 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\monolog-bundle\DependencyInjection\MonologExtension.php on line 39