Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Exception' not found in /opt/lampp/htdocs/Insurance-Integration/vendor/doctrine/dbal/src/Exception/InvalidLockMode.php:12 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/Insurance-Integration/vendor/doctrine/dbal/src/Exception/InvalidLockMode.php on line 12