C2-12828-1 and Disgaea 3: Absence of Detention
Last month I was playing Disgaea 3: Absence of Detention on the PlayStation Vita. I had finished the game, but had started a new game and was picking up the Diez Gentleman by losing to Raspberyl.
Unfortunately, when I lost to her I kept getting the error code of C2-12828-1, and the game crashed.
In my particular case I just didn't have enough room in homeroom. Unfortunately I forget the exact number, but the game wants you to keep more slots open than you need. So, it's probably safer to keep 5 open chairs when fighting against Raspberyl to lose, even though you'll only pick up one new character.
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