Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Platforms\SQLServerPlatform' not found in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Platforms\SQLServer2012Platform.php:11 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Platforms\SQLServer2012Platform.php on line 11