Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Platforms\MySQLPlatform' not found in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Platforms\MySQL57Platform.php:17 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Platforms\MySQL57Platform.php on line 17