try changing your payload name
Are you using the cia launcher?
What are you trying to launch exactly?
Are you using the lastest version of Luma?
Both of them have cia versions install them.I want to play my GBA Emulator "gpsp_libretro" And SNES Emulator "blargSnes_1.3"
And yes Luma is upto date on the latest version it says.