I observed that if you created/imported/changed a big hightmap, the editor is simply still busy (but does not show you) and you cannot change any paint.
You could simply paint it over with the layer you want, instead of deleting?
I observed that if you created/imported/changed a big hightmap, the editor is simply still busy (but does not show you) and you cannot change any paint.
You could simply paint it over with the layer you want, instead of deleting?