Data won't save

[_vanina]

hello! this is my first time posting here, so sorry if it's in the wrong place. anyway, i've been playing corpse party, and literally nothing will save. i'll save it within the game, and as long as i don't close the game it'll be fine, but if i actually save it with ppsspp, it'll show it in my saved files, but once i close ppsspp and try to access it again, it's gone. sorry if this is an obvious question, but i searched the forums for a bit and didn't find anything pertaining to this.