Fatal error: Uncaught Error: Class "Symfony\Component\Security\Http\Authenticator\JsonLoginAuthenticator" not found in /var/www/crm_killing_ninja/core/backend/Security/AppJsonLoginAuthenticator.php:35 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/core/backend/Security/AppJsonLoginAuthenticator.php on line 35