Fatal error: Uncaught Error: Class 'RingCentral\Psr7\StreamDecoratorTrait' not found in /home/user1111058/www/dev.companysam.by/vendor/ringcentral/psr7/tests/StreamDecoratorTraitTest.php:8 Stack trace: #0 {main} thrown in /home/user1111058/www/dev.companysam.by/vendor/ringcentral/psr7/tests/StreamDecoratorTraitTest.php on line 8