Fatal error: Uncaught Error: Interface "GuzzleHttp\Stream\StreamInterface" not found in /users/ms-it/www/oc/lib/composer/guzzlehttp/streams/src/Stream.php:7 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/guzzlehttp/streams/src/Stream.php on line 7