Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\SchemaException" not found in /home/melihata/public_html/vendor/doctrine/dbal/src/Schema/Exception/IndexNameInvalid.php:12 Stack trace: #0 {main} thrown in /home/melihata/public_html/vendor/doctrine/dbal/src/Schema/Exception/IndexNameInvalid.php on line 12