If the "error code:-1011" is displayed, please try the following.
1.Restart your device
Please restart your device.
2.Reinstall the app
If there are no changes, please reinstall the app.
*When you install the app, please sign in to App Store with the same Apple ID.
3.Open Grand Sumo App
In a place with good network, please restart Grand Sumo App.
4.Restore Tanimachi membership
Open the app > Tap "Become Tanimachi (Premium Member)" from the menu > Tap "Restore Tanimachi membership" at the bottom