Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Platforms\AbstractPlatform' not found in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Platforms\PostgreSQLPlatform.php:39 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\doctrine\dbal\src\Platforms\PostgreSQLPlatform.php on line 39