"Failed to complete tunnel connection" error with ngrok

Hi. I’m trying to follow the tutorial, “Build a Shopify App with Node.js and React”, but when I get to this step:

I get the following error:

Any ideas? Thanks!

1 Like

Doh! The web service from a previous step wasn’t running. Nevermind.

2 Likes

how this you fixed though ??

how did you run the web service ??

can you elaborate? what script?

Found my own error just like OP.

Make sure that the local server ist serving the same port that ngrok is requesting from.

In my case it was the local port 8081 and ngrok was requesting from 8001 and it took me 2 hours to see the difference…