Why did [Error Code: 12202, There is no Google Play link data.] appear and prevent me from performing an Account Link?

If you delete MementoMori’s authorization to your account via your Google Play account, Error Code: 12202 will occur whenever you try to perform an Account Link afterwards.

In order to resolve this situation, please to the page below.
https://support.google.com/android/answer/7664951

You will need to temporarily remove your Google account from your device, then log in again.

If you wish to unlink your Google Play account, we ask that you do so using the Account Link feature in the app.