Fatal error: Uncaught Error: Class "Doctrine\DBAL\Exception\ConstraintViolationException" not found in /home/petclap/public_html/production/vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/ForeignKeyConstraintViolationException.php:10 Stack trace: #0 {main} thrown in /home/petclap/public_html/production/vendor/doctrine/dbal/lib/Doctrine/DBAL/Exception/ForeignKeyConstraintViolationException.php on line 10