i need help!!!!!!

i need help with this wad.you can get the wad here http://doomworld.com/idgames/index.php?id=11790
i downloaded the wad and theres 2 wads i put one of them in my psp then i start it up and it says s start not found and then when i put the other wad in it says on my psp phames not found!!!!ineed help.

The exact same thing happend to me on alot of different wads its because there isnt a single working wad on that site the only site i have found working wad files is this one
http://www.gp32x.de/cgi-bin/cfiles.cgi?0,0,0,0,24

but is there a way to make it work?

Not that i know maybe you have to merge them but i wouldnt know because my PC wont run MS-DOS programs