Well, that’s not good.
Either your screen is broken, or the simulation just rage-quit.
Try turning it off and on again? Nope. Hit “undo”? Not a chance. Call IT? They’ll just blame you.
Meanwhile, Clippy pops up: "It looks like your reality is falling apart. Would you like some help?"
Too late, buddy. We’re in cracked screen territory now—no patch notes coming for this one!