This is all very strange.Let's run through some possibilities:1. You filled in the bubbles and signed it without realizing what you were doing. This is possible... what with the test-day stress, and all the other fields to fill out. Maybe you just didn't realize it.2. The proctor filled it out. I'm having a very hard time discerning motive here, but I guess it's possible. Was there some sort of altercation that took place? 3. Someone at LSAC filled it out. This is unlikely, but more likely than the second possibility. Again, motive is a little tricky... maybe someone accidentally canceled your score, didn't want to admit their mistake, and so filled the thing out instead? I know it's a stretch, but I could at least imagine this happening. LSAC is really dysfunctional in a lot of ways, and this sort of ass covering is somewhat common in big, dumb bureaucracies. Still, actually forging a signature would not only get someone fired, it might land them in court... Start rattling cages over at LSAC and see what happens. Make it clear that you are positive you didn't fill it out, and therefore someone else must have. Demand that a handwriting analyst verifies that all the signatures were made by the same hand. Threaten to sue, even. If LSAC is so incompetent that something like this could happen in the first place, they'll probably have a difficult time circling the wagons and putting up a unified front. My guess is that this will get resolved, most likely with someone at LSAC quietly agreeing to cancel the cancellation, so to speak.