We had a couple of drivers who had more than 1 car, when they shouldn't. For instance, "Alex" might have 2 1991 Mazda Miatas, one with a color assigned and one with0ut. If I delete the car with a color, it will break the link to any runs assigned to that car, so Alex's total run count goes down by that many. I understand that.
That's not the bug or issue, however.
If I go back to the old event to reassign those runs to Alex, when I do so, it blows away his Member Number, Dedicated Class, and Dedicated Number. Not sure why. It seems like the Alex from the past overwrites the Alex from the present - but only partially.