Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in /home/paymsrpn/more.paymoott.com/core_invapp/vendor/guzzlehttp/promises/src/AggregateException.php:8 Stack trace: #0 {main} thrown in /home/paymsrpn/more.paymoott.com/core_invapp/vendor/guzzlehttp/promises/src/AggregateException.php on line 8