I have unlimited fuel and can't turn it off

@ronsinda ; @ronsinda ; @FokeWulf89 ; @RhinoSerious083 ; @Perculator8706 ;
@Perculator8706 ; @CatapultF4E ; @SnappyAsp612539 ; @Hester40MT Did any of you find the answer to your “unlimited fuel” issue?
I am flying the Black Square Baron 58P Analog version with MIP displayed via Air Manager.
The fuel gauges have been working perfectly for about 2 years. (I even accidentally ran out of fuel once!)
Now, however, the gauges both have their needles hard over beyond full and that’s where they stay.
I have checked the Options/Assists/Systems/Unlimited Fuel = OFF.
Has any one of you got the answer to this?