Do you have an estimate on how large % of users are getting this error? If more than 10% I would suggest removing the detail box from that menu, or placing a non-clickable layer on top of it, to prevent frustration and bad rep. Because inspecting units before recruiting is something that all new use...

Troop recruiting menu -> highlight a unit on the bar -> click one of the unit elements in the detail box at the bottom right of the screen. Game crash every time. When selecting a regular unit stack, I am able to bring up the unit element details just fine. But from the recruitment menu - crash. Is ...