Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\Session\Storage\Handler\AbstractSessionHandler' not found in D:\xampp\htdocs\psp\backend\vendor\symfony\http-foundation\Session\Storage\Handler\RedisSessionHandler.php:24 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\symfony\http-foundation\Session\Storage\Handler\RedisSessionHandler.php on line 24