Did you guys look in the last version of the mod to see if the missing texture was there ? Because if the missing texture is in the last version of the mod , its easy to fix.
Well i'm not sure exactly what all he did with it, as it wasnt communicated to me.
Thinking about it now though, and as some others have commented leads me to believe it might be DDS in the 10.11 native, which if is the case, I could correct myself.
I'll have a look.