Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\MySQLSchemaManager" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-core/Classes/Database/Schema/SchemaManager/MySQLSchemaManager.php:52 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-core/Classes/Database/Schema/SchemaManager/MySQLSchemaManager.php on line 52