Do you have Half-Life:Source?

no. there was a pack but it was deleted.

Oh well, here's the reason why you have missing textures.

Feels Rip, the whole addon is broken then

NOOOOOOO

引用自 oslo03：

NOOOOOOO

:I

You can get the models/textures from cs cheater (I cant seem to use a link here so just look it up)
Just download the game content file, extract it, then put it in the gmod addons folder (Something like C:\Program Files (x86)\Steam\steamapps\common\GarrysMod\garrysmod\addons). Hope this helps.

引用自 Hey Im Davie：

引用自 oslo03：

NOOOOOOO

:I

Type in half life sourse there should be and addon that has the files you need in the gmod workshop on steam thats what I used and my game works fine.

引用自 Hey Im Davie：

引用自 oslo03：

NOOOOOOO

:I

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1416242966

引用自 Hey Im Davie：

no. there was a pack but it was deleted.

https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1416242966

If you're like me and you didn't understand why it didn't work properly, here's a guide to mounting your game in gmod:
https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=121098599

The main step that I missed is that I did not quit or restart gmod after enabling it, and thereby could not see the models or textures for NPCs.

I am copy-pasting this because there were absolutely zero answers from anyone in any of these discussions on this issue.