Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Exception\ConstraintViolationException' not found in C:\xampp\htdocs\ApiSigestWin\1.20.01.20.4\vendor\doctrine\dbal\lib\Doctrine\DBAL\Exception\UniqueConstraintViolationException.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.20.01.20.4\vendor\doctrine\dbal\lib\Doctrine\DBAL\Exception\UniqueConstraintViolationException.php on line 8