The WADs I've tested with are the ones with these SHA-1 checksums:
https://github.com/Doom-Utils/iwad-patches/tree/master/nerve.wad
It looks like what you've got there is a v1.1 nerve.wad, ie a pre-widescreen-update Unity version.
The WADs I've tested with are the ones with these SHA-1 checksums:
https://github.com/Doom-Utils/iwad-patches/tree/master/nerve.wad
It looks like what you've got there is a v1.1 nerve.wad, ie a pre-widescreen-update Unity version.