Oh, ok. Lol and me that today thought about bricking my vita...Thanks for the report guys, i pushed it to retroarch issues. @twinaphex says its a font refactor commit issue. They're on the hunt already!
As long they didn't fixed it, please stick with 16.10.2016 or lower
You can tell to those people, about next time they work on FBA (to increment speed) to add the cheats .ini function?