Hey there, upon some trigger that I don't know of, some T2 mex upgrades and Engineer labels get drawn incorrectly. The black box meant to act as a background seemingly gets negative variables, and the black label gets drawn infinitely.
The only way to fix it in-game is to destroy the unit and rebuild it. It also happens regularly on replays when I switch players, potentially it has something to do with it getting overloaded? anecdote anecdote