Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Container' not found in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\framework-bundle\Test\TestContainer.php:24 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\framework-bundle\Test\TestContainer.php on line 24