Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Helper\DescriptorHelper' not found in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\framework-bundle\Console\Helper\DescriptorHelper.php:26 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\vendor\symfony\framework-bundle\Console\Helper\DescriptorHelper.php on line 26