So, I decided to follow the tutorial here by GuardianSoul to do a basic art swap on the Lone Wolf homebrew games as a first step. The only problem is, it swaps fine, and when I extract it I see my own art in there, but when I try to run it on No$GBA, I get an error code saying "Unidentified Opcode - No Debug Vector Defined". When I try to run it on my AceKard 2i on the latest firmware on a 1.4.3U DSi, I just go straight to a white screen. I've looked online for days, and haven't found anything helpful. I've tried everything I thought would work, though. Can anyone here help? Thanks in advance!