Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /usr/home/zxcv/domains/vtm-lv.null.yt/public_html/bookstack/vendor/guzzlehttp/guzzle/src/Pool.php:24
Stack trace:
#0 {main}
  thrown in /usr/home/zxcv/domains/vtm-lv.null.yt/public_html/bookstack/vendor/guzzlehttp/guzzle/src/Pool.php on line 24