Fatal error: Uncaught Error: Interface "GuzzleHttp\BodySummarizerInterface" not found in D:\xampp\htdocs\dropifypro\vendor\guzzlehttp\guzzle\src\BodySummarizer.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\guzzlehttp\guzzle\src\BodySummarizer.php on line 7