Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\AbstractSchemaManager" not found in /home/melihata/public_html/vendor/doctrine/dbal/src/Schema/PostgreSQLSchemaManager.php:38 Stack trace: #0 {main} thrown in /home/melihata/public_html/vendor/doctrine/dbal/src/Schema/PostgreSQLSchemaManager.php on line 38