Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\Visitor\AbstractVisitor' not found in /opt/lampp/htdocs/Insurance-Integration/vendor/doctrine/dbal/src/Schema/Visitor/DropSchemaSqlCollector.php:18 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/Insurance-Integration/vendor/doctrine/dbal/src/Schema/Visitor/DropSchemaSqlCollector.php on line 18