It is not a mistake, that is how an AU works! AU will be removed from one of the CRAs calculations this fall, and from the other two sometime next year, so it is going away.
Maybe you could tell your mother that the Score calculations are changing soon to remove AU, and you need to know where you are as an individual, so could she please remove you so you can find out what effect it has
The slide from grace is really more like gliding
And I've found the trick is not to stop the sliding
But to find a graceful way of staying slid