Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\Synchronizer\AbstractSchemaSynchronizer' not found in C:\xampp\htdocs\ApiSigestWin\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php on line 25