Fatal error: Uncaught Error: Interface "React\Promise\PromiseInterface" not found in /usr/home/piciu1902/domains/pilaonline.ct8.pl/public_html/video/plugin/LiveChat/ratchet/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php:5
Stack trace:
#0 {main}
  thrown in /usr/home/piciu1902/domains/pilaonline.ct8.pl/public_html/video/plugin/LiveChat/ratchet/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php on line 5