Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/guzzlehttp/promises/src/Coroutine.php:45
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/guzzlehttp/promises/src/Coroutine.php on line 45