I finally managed to figure out how to fix this myself. So if anyone reading this has the same problem, this is how you fix it:

1. Find the places of the textures in your map that have the smoothing error.
2. Go to Textures > Edit Texture Layer > Smoothing
3. If the brush ...

I have been working on my map for a couple hours now, but with my latest attempt at running a build to play it, I received this build error:

Unknown smoothing name 't7_plaster_smooth_dirty_01_blue_pale_wet'
  col_map:maps/zm/MYMAPNAME.d3dbsp

I...

I did exactly what this person did in this video

[TUT] WaW Custom Zombie Mapping; Ep2; Compiling + Testing Your Map

Is there anything I could have missed or he did wrong?

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Post Merge: [time]1...

Hey, when I try to test my map I am making I go to mods and launch my map and then it restarts W@W, but the menu text is all f*cked up.

http://prntscr.com/2fa051

Why is this happening?