Fatal error: Uncaught Error: Interface 'GuzzleHttp\Event\SubscriberInterface' not found in /users/maximus/www/storage/vendor/guzzlehttp/guzzle/src/Subscriber/Mock.php:16 Stack trace: #0 {main} thrown in /users/maximus/www/storage/vendor/guzzlehttp/guzzle/src/Subscriber/Mock.php on line 16