Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\AbstractSchemaManager' not found in /opt/lampp/htdocs/Insurance-Integration/vendor/doctrine/dbal/src/Schema/SqliteSchemaManager.php:39 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/Insurance-Integration/vendor/doctrine/dbal/src/Schema/SqliteSchemaManager.php on line 39