Firebase Authentication Problem

Dear I made a app which is using Firebase authentication method for user sign in…
but when i directly download from kodular it’s work fine,but after uploading on Playstore during Signin it’s come error, sign in couldn’t done and say- Google may wrong .
what’s the reason please help​:blush:

Please don’t create duplicate topics!

Bother Please slove it . I alreday publish app but not working google login.How to Slove

I understand you’re facing an issue. but it will not get solved by creating more same topics. Please wait patiently.

Brother I create this in about 3 month ago .But the problem not slove

Closed. Duplicate