Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\AbstractSchemaManager" not found in /home/maske/public_html/assurance/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php:36 Stack trace: #0 {main} thrown in /home/maske/public_html/assurance/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php on line 36