Fatal error: Uncaught Error: Class "Negotiation\Negotiator" not found in /home/palabrebel/www/kimai/vendor/friendsofsymfony/rest-bundle/Negotiation/FormatNegotiator.php:25 Stack trace: #0 {main} thrown in /home/palabrebel/www/kimai/vendor/friendsofsymfony/rest-bundle/Negotiation/FormatNegotiator.php on line 25