Fatal error: Uncaught Error: Class 'RingCentral\Psr7\MessageTrait' not found in /var/www/html/stz-api/vendor/ringcentral/psr7/src/Request.php:12 Stack trace: #0 {main} thrown in /var/www/html/stz-api/vendor/ringcentral/psr7/src/Request.php on line 12