Fatal error: Uncaught Error: Class "Negotiation\BaseAccept" not found in /var/www/crm_killing_ninja/vendor/willdurand/negotiation/src/Negotiation/Accept.php:7 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/vendor/willdurand/negotiation/src/Negotiation/Accept.php on line 7