Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromiseInterface' not found in /var/www/typo3/vendor/guzzlehttp/promises/src/FulfilledPromise.php:11
Stack trace:
#0 {main}
thrown in /var/www/typo3/vendor/guzzlehttp/promises/src/FulfilledPromise.php on line 11