plugin not loading

getting this error when i load plugin Error while compiling: CAltimeter.cs(292,88): error CS1061: Type `MiniCopter' does not contain a definition for `fuelSystem' and no extension method `fuelSystem' of type `MiniCopter' could be found. Are you missing an assembly reference?

I get the same error for almost 2 months now. Author doesn't seem to be actively wanting to fix it.

Changed Status from Pending to Closed

Change your function GetFuelAmount  to the following               

public int GetFuelAmount() => (entity.GetParentEntity() as MiniCopter)?.GetFuelSystem()?.GetFuelAmount() ?? 0;