Fatal error: Uncaught Error: Class 'RingCentral\Psr7\StreamDecoratorTrait' not found in /var/www/html/stz-api/vendor/ringcentral/psr7/tests/StreamDecoratorTraitTest.php:8 Stack trace: #0 {main} thrown in /var/www/html/stz-api/vendor/ringcentral/psr7/tests/StreamDecoratorTraitTest.php on line 8