( ! ) Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Exception\ConstraintViolationException' not found in /var/www/exam_ITR/vendor/doctrine/dbal/src/Exception/ForeignKeyConstraintViolationException.php on line 10
( ! ) Error: Class 'Doctrine\DBAL\Exception\ConstraintViolationException' not found in /var/www/exam_ITR/vendor/doctrine/dbal/src/Exception/ForeignKeyConstraintViolationException.php on line 10
Call Stack
#	Time	Memory	Function	Location
1	0.0005	399240	{main}( )	.../ForeignKeyConstraintViolationException.php:0