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