Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\Synchronizer\AbstractSchemaSynchronizer' not found in C:\Web\htdocs\recta\customers\einmed\backend\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php:40 Stack trace: #0 {main} thrown in C:\Web\htdocs\recta\customers\einmed\backend\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php on line 40