Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\AbstractSchemaManager" not found in /home/mmi24f01/public_html/ws301/vendor/doctrine/dbal/src/Schema/DB2SchemaManager.php:31 Stack trace: #0 {main} thrown in /home/mmi24f01/public_html/ws301/vendor/doctrine/dbal/src/Schema/DB2SchemaManager.php on line 31