Firebase: The project id used to call the Google Play Developer API has not been linked in the Google Play Developer Console
(Last Updated On: November 7, 2020)But I already linked my Firebase project to your Play Developer Console account!
Why does this problem happens I can not tell you, but I can tell you how to fix “The project id used to call the Google Play Developer API has not been linked in the Google Play Developer Console” errors when you know everything is correctly configured on your end.
And the fix is…
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Create a new product on Google Play Console!
Yes, as stupid as it sounds. It could be that a new product creation trigger some kind of synchronization on Play server. I do not know. But I can say it works. Always!
Stay Healthy!