Fatal error: Uncaught Error: Class "App\Repository\AttachmentContainingDBElementRepository" not found in /home/ntpcbgtpp/public_html/mat1/src/Repository/StructuralDBElementRepository.php:35 Stack trace: #0 {main} thrown in /home/ntpcbgtpp/public_html/mat1/src/Repository/StructuralDBElementRepository.php on line 35