Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in C:\web\hncamp_admin_bak0505\vendor\guzzlehttp\promises\src\AggregateException.php:10 Stack trace: #0 {main} thrown in C:\web\hncamp_admin_bak0505\vendor\guzzlehttp\promises\src\AggregateException.php on line 10