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