Assets didn't load on map ie "ERROR" and some purple checkered textures

So I’m working on a final project for a class, but the map that I picked has errors and some of the textures won’t load. The map is called shadowgreen, which was a gmod map made to work in SFM with everything intact and needs HL2 for it to work. I never had this problem on a old laptop, but when I transferred over to a new PC at the beginning of the year I had just realized that something wasn’t right. 80% of the map is fine, but in shots that I need aka the fire, the boulders, and the water won’t work. I verified the files for the game not SFM, but that didn’t work. I don’t want to verify files for SFM with fear I’ll lose some non-workshop files.

Images:

https://i.imgur.com/Yvd2xFD.png[/T]
[T]https://i.imgur.com/aPLunJU.png[/T]
[T]https://i.imgur.com/AHmzuhr.png

are you able to post the compile log?

also, you say “the map i picked”. does that mean you took an existing map and decompiled it? decompiling can sometimes bring a lot of errors.

Apologies for the long reply. I was on a mini vacation. The map in question was done by the original creator and he had the map recompiled for me to add HDR for SFM compatibility. http://steamcommunity.com/sharedfiles/filedetails/?id=104487000&searchtext=shadowgreen

The map worked fine on my old laptop unless my memory was bad something got lost mid transfer to a desktop with similar specs.