Fatal error: Uncaught Error: Interface 'Doctrine\Common\Proxy\Exception\ProxyException' not found in C:\Apache24\htdocs\InvoiceTracking\vendor\doctrine\common\lib\Doctrine\Common\Proxy\Exception\InvalidArgumentException.php:19 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\InvoiceTracking\vendor\doctrine\common\lib\Doctrine\Common\Proxy\Exception\InvalidArgumentException.php on line 19