Fatal error: Class 'Doctrine\DBAL\Schema\Synchronizer\AbstractSchemaSynchronizer' not found in C:\GINSA_WEB\xampp\htdocs\Rep_SigesCloud\1.6_dev\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php on line 41