Phases:
1) install the App and accept as long as the screen is locked and does not proceed further.
2) go to SETTINGS -> APPLICATION MANAGEMENT and find Oruxmaps.
3) Click on the app and here they will appear:
a) Uninstall
b) Forced Stop
c) Memory
d) Data use
e) AURORIZATIONS
f) etc ...
press in e) AUTHORIZATIONS and activate all the authorizations that appear.
Get out of it all and restart Oruxmaps.
Everything should work