Error from Companion

MIT App Inventor Help
1

I encountered this issue **"Error from Companion: For a custom firebase host you must first set your authentication server before using authentication features!"** and still can't solve it. Does anyone have experience or suggestions to help?

2

Welcome
The first thing you should do is to search the community...

https://community.appinventor.mit.edu/search?context=topic&context_id=135942&q=For%20a%20custom%20firebase%20host%20you%20must%20first%20set%20your%20authentication%20server%20order%3Alatest&skip_context=true

Taifun