Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /home/nhnesswd/app.skiri.app/application2/FCM/vendor/guzzlehttp/guzzle/src/Pool.php:24 Stack trace: #0 {main} thrown in /home/nhnesswd/app.skiri.app/application2/FCM/vendor/guzzlehttp/guzzle/src/Pool.php on line 24