I try to switch from the free version to the payment version (Tourer+).
Unfortunately the following payment didn’t run.
I get the massage that the transaction will be rejected.
I try different payments - there was no success.
Questions:
Which kind of failures can it be?
BILLING_UNAVAILABLE - Code:6777003
(Debug information, this helps us helping you, you can remove this if you don’t want to share this data, it should not contain any personal or sensitive information)
Device: Xiaomi - M2004J19C - Android: 10 - WebView: 111.0.5563.116
App-Version: 3.1.0 - 1331
Screen: 393 x 851 px - 2.75dppx