Fatal error: Uncaught Error: Class "Doctrine\DBAL\Exception\ConstraintViolationException" not found in /home/icofeduz/learning.icof.edu.zm/html/ICOF-SRMS/vendor/doctrine/dbal/src/Exception/UniqueConstraintViolationException.php:10 Stack trace: #0 {main} thrown in /home/icofeduz/learning.icof.edu.zm/html/ICOF-SRMS/vendor/doctrine/dbal/src/Exception/UniqueConstraintViolationException.php on line 10