Whenever you try to use a macro mouse or other cheating tools you will get an error message: "Your client will now close due to the detection of an unauthorized device. Macro mouses and devices used to gain an unfair advantage are strictly prohibited".
To get this resolved, please remove the macro mouse or other unauthorized devices that can modify the game play and restart the game.
If you're still unable to access the game after removing the macro devices please contact PUBG Support and share the maker and model of the keyboard and mouse you are using the play the game.
☞ Contact PUBG Support