Error Code 806 Explained
Mario Kart Tour Guide
One common error code that we are reading about is an error code that starts with 806. At the moment, the general consensus is that it is because the servers are already at capacity and cannot accept new players.
Currently the advice is to follow the three steps below:
Restart the application and try again.
Restart your mobile device.
Reinstall the application.
If none of that works that you could try contacting the support email for the game:
...with full details and the exact error code that you are getting, plus details of your device and operating system and when the error is happening.
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