Google Login Error in Firebase

[cleiton_t_machado (Cleiton Torres Machado)]

The answer is here!

Firebase Authentication Error

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​