It is by chance something got corrupted, if so, maybe recopy the files from here instead?
https://github.com/AuroraWright/Luma3DS/releases
or use luma updater 3ds app cia.
https://github.com/Hamcha/lumaupdate/releases/download/v1.4.1/lumaupdater.cia
If it still doesn't work then maybe something is wrong with system or SD card or luma.
https://github.com/AuroraWright/Luma3DS/releases
or use luma updater 3ds app cia.
https://github.com/Hamcha/lumaupdate/releases/download/v1.4.1/lumaupdater.cia
If it still doesn't work then maybe something is wrong with system or SD card or luma.