Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in C:\CBapp\Application\public\deprecate\cbsys\app-store\vendor\guzzlehttp\guzzle\src\Pool.php:20 Stack trace: #0 {main} thrown in C:\CBapp\Application\public\deprecate\cbsys\app-store\vendor\guzzlehttp\guzzle\src\Pool.php on line 20