Fatal error: Uncaught Error: Class 'Negotiation\AbstractNegotiator' not found in /home/itscm/dev.its.cm/webservices/vendor/willdurand/negotiation/src/Negotiation/CharsetNegotiator.php:5 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webservices/vendor/willdurand/negotiation/src/Negotiation/CharsetNegotiator.php on line 5