Fatal error: Uncaught Error: Interface 'GuzzleHttp\BodySummarizerInterface' not found in C:\Apache24\htdocs\vendor.old2\guzzlehttp\guzzle\src\BodySummarizer.php:7 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old2\guzzlehttp\guzzle\src\BodySummarizer.php on line 7