I have created an app for my IOT project by using MIT app inventor, it works fine In AI companion , but when I installed its apk file in my phone then the app is not Starting

[Patryk_F]

When I run your project in companion I get:

Error from Companion: For a custom firebase host you must first set your authentication server before using authentication features!

Following this and searching for a given phrase in the community, we can find, among others:

For a custom firebase host you must first set your authentication server before using authentication features

I need help, when I connect to the companion I get "For a custom firebase host you must first set your authentication server before using authentication features". Can you help me to solve it? [2022-04-26 (2)]

FAQ Section: Firebase

Introductory FireBase Pending Failure Warning - JIS Brief Intro to Cloud Data and the FireBase Component - HAL FireBase component help The firebase console URL is https://console.firebase.google.com/ - @ABG 12/2025 Tutorials Atomic queue and delete - @TimAI2 Simple bulletin board - @TIMAI2 Firebase Chat sample - Amerikashi Firebase bus route tutorial - Romin Irani Firebase Spanish tutorial - kio4 Firebase WhatsAppInventorMIT chat project - Montes FireBase DataChanged Detection from I…