I think this problem started when i moved the map from my old pc to my new one and cameup with these errors below ever since, i can still open the map in Radiant and work on it, but cannot play it in game anymore due to the errors.
https://imgur.com/G9Xi7dHCompling Error -
File Handles:
----------------------
27018 files in iwd files
reading D/steam\steamapps\common\Call of Duty World at War\raw\maps\skatepark_der_toten.d3dbsp
reading D/steam\steamapps\common\Call of Duty World at War\raw\maps\skatepark_der_toten.d3dprt
LoadPortals: couldn't read D/steam\steamapps\common\Call of Duty World at War\raw\maps\skatepark_der_toten.d3dprt