Fatal error: Uncaught Error: Class 'GuzzleHttp\Promise\RejectionException' not found in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\bdthemes-element-pack\modules\user-login\vendor\guzzlehttp\promises\src\CancellationException.php:7 Stack trace: #0 {main} thrown in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\bdthemes-element-pack\modules\user-login\vendor\guzzlehttp\promises\src\CancellationException.php on line 7