Fatal error: Uncaught Error: Interface "GuzzleHttp\BodySummarizerInterface" not found in /srv/www/htdocs/moodle/lib/guzzlehttp/guzzle/src/BodySummarizer.php:7 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/guzzlehttp/guzzle/src/BodySummarizer.php on line 7