Что за «Perhaps you're connecting to the wrong cluster»?

Question

[Шамуэй]

Что за "Perhaps you're connecting to the wrong cluster"?
Делал всё по этому туториалу https://blog.pusher.com/how-to-build-a-laravel-cha...
И в конце получил ошибку "Perhaps you're connecting to the wrong cluster"
полный текст

WebSocket connection to 'wss://ws-eu.pusher.com/app/this-is-my-key?protocol=7&client=js&version=4.0.0&flash=false' failed: WebSocket is closed before the connection is established.

Pusher : Error : {"type":"WebSocketError","error":{"type":"PusherError","data":{"code":4001,"message":"Could not find app by key this-is-my-key. Perhaps you're connecting to the wrong cluster."}}}

Answer 1

[Mokhirjon Naimov]

Не знаю что там, но могу посоветовать этот видео урок Building Realtime Chat with Laravel 5.4 and VueJS

Список уроков:
Part 1 (Intro)
Part 2 (Vue Components)
Part 3 (Laravel Backend)
Part 4 (Laravel Echo)
Part 5 (Laravel Dusk)