Firebase ph verification failed

Sir i am trying to get OTP from fire base but it didn’t work so can you help me?

Problem - after entering ph no it’s show invalid request …

ph_verification (1).aia (4.4 KB)
this is the aia file sms verification not working pls help

See! You left your credentials blank! How would it suppose to work?

So what? I check on json file :white_check_mark:

Is it enabled on firebase

Yes it’s enable