simoneines •10mo ago The solution was already mentioned but it is quite hidden in the thread and the tutorial how to do it is missing:
The solution: reset your location and privacy settings and it is gone.
If you would like to reset all of your location settings to the factory default, go to Settings > General > Transfer or Reset [device], tap Reset, then tap Reset Location & Privacy. When your location and privacy settings are reset, apps will stop using your Location Services information until you grant them permission.