Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Schema\Synchronizer\AbstractSchemaSynchronizer' not found in /home/huionetr/public_html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Synchronizer/SingleDatabaseSynchronizer.php:15 Stack trace: #0 {main} thrown in /home/huionetr/public_html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Synchronizer/SingleDatabaseSynchronizer.php on line 15