Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in C:\Xampp\www\0050467\ims-mobile\vendor_\guzzlehttp\guzzle\src\Pool.php:24 Stack trace: #0 {main} thrown in C:\Xampp\www\0050467\ims-mobile\vendor_\guzzlehttp\guzzle\src\Pool.php on line 24