I am trying to test google play services features in an app that i have already published.
I went through the below link to do that.
https://developers.google.com/games/services/console/enabling
When i try to authorize the app, i am getting the message "Package name and certificate fingerprint combination already exists".
Is there a way to delete the old combination? I don't see that combination in my developer console. Any help would be really appreciated.
I was facing the same problem and once i opened my Google APIs Console, There i found already an OAuth2 key which i generate for testing purpose. I deleted that key, came back to my Game service and tried the same procedure to link and verify my game. It works. Try it out.
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