Deprecated: Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer::__construct(): Implicitly marking parameter $sync as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\laravelcurso\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php on line 61

Fatal error: Uncaught Error: Class "Doctrine\DBAL\Schema\Synchronizer\AbstractSchemaSynchronizer" not found in C:\Apache24\htdocs\laravelcurso\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php:41 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\laravelcurso\vendor\doctrine\dbal\lib\Doctrine\DBAL\Sharding\SQLAzure\SQLAzureFederationsSynchronizer.php on line 41