Toccs and Cabe have both provided this solution in various threads on our Citadel forum, so here it is.
For anyone experiencing this
It does not necessarily mean that your PC is unable to run the full version of mod. It just means that your grphics card cannot handle the new custom map terrain such as firey Valyria or the new marshes.
https://dl.dropboxusercontent.com/u/110524765/map graphics hotfix.rar
Placing these files in your "A Game of Thrones/map/terrain" folder will fix the issue. They are the files from immediatley before the custom terrain graphics were added.
For anyone experiencing this
It does not necessarily mean that your PC is unable to run the full version of mod. It just means that your grphics card cannot handle the new custom map terrain such as firey Valyria or the new marshes.
https://dl.dropboxusercontent.com/u/110524765/map graphics hotfix.rar
Placing these files in your "A Game of Thrones/map/terrain" folder will fix the issue. They are the files from immediatley before the custom terrain graphics were added.