The most obvious and easiest of fixes might just be restarting the game. This often fixes runtime errors, which might potentially get you back into the practice range once you log back in. It is often ...

It is the very first thing you must check before doing anything else. If the corresponding Workbook is unavailable or not selected when compiling the VBA script ...

Range check error which occurs when sending supplies to the centre of ops Forced march still rests when fatigue is high. Range check error and other behaviour when ...