Mapthis! Half Byte Loader Mod, psp-290 psp 3000

[greenday]

Hi! I downloaded MapThis0520 and installed. Using Half Byte Loader Mod I see an error
Couldnt load usbacc.prx.

My system software is 6.38, psp 3000.

Can someone help me to use Mapthis!?

Thnx

[brandly23]

Do not know that