Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Container' not found in C:\Apache24\htdocs\InvoiceTracking\var\cache\dev\Container7Dj65Cg\App_KernelDevDebugContainer.php:17 Stack trace: #0 C:\Apache24\htdocs\InvoiceTracking\var\cache\dev\App_KernelDevDebugContainer.php(7): include() #1 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\var\cache\dev\Container7Dj65Cg\App_KernelDevDebugContainer.php on line 17