Fatal error: Uncaught Error: Class 'Doctrine\DBAL\Platforms\PostgreSQL94Platform' not found in E:\xampp\htdocs\www\yunwei\qr250\vendor\doctrine\dbal\src\Platforms\PostgreSQL100Platform.php:17 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\yunwei\qr250\vendor\doctrine\dbal\src\Platforms\PostgreSQL100Platform.php on line 17