Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\Session\Storage\Handler\StrictSessionHandler" not found in /var/www/crm_killing_ninja/core/backend/Security/Session/LegacyBridgeSessionHandler.php:33 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/core/backend/Security/Session/LegacyBridgeSessionHandler.php on line 33