Hm, maybe cheats are broken right now? Have you tried cheats with other games?
And make sure you are using the most recent development build (see link in my sig).
And make sure you are using the most recent development build (see link in my sig).
Intel i5-4690k (Devil's Canyon) @ 3.5 GHz (+Scythe Mugen) / Gainward GTX 1070 Phoenix (OC'd) / ASUS Z97 PRO GAMER / 16GB G.Skill DDR3-2400 CL10 TridentX / X-Fi XtremeMusic / Win10 Pro 64bit / Dell S2716DG Monitor / 3x original WiiMote+MotionPlus+Nunchuk