Might be an extraction error/copy failure or corrupt copy. I would run the extraction on your HDD. Then copy over the folder to your SD card. Eject the card in windows, then physically remove it.
Arcade Multi Systems:
- Sega: ST-V, Naomi w/Net Dimm, Naomi w/CF Boot (DIY and OG versions), Taito: G Net, Taito F3, Taito Type X², Capcom CPS2, Capcom CPS3, Neo Geo MVS 4-Slot