Elevation errors after Build & Export

I hope I can explain simply…I am trying to upgrade KGOO…all looks fine in the Scenery Builder and I receive NO errors after Build & Export. I had some help from the guys at ADE, but to no avail. I have attached two photos to show the difference. I was told because I am just adding to the original airport the runway elevation will NOT be affected by any terraforming. If this is true, then I guess my only hope is to just start over and rebuild KGOO from scratch and chalk the hours in the scenery editor as practice. Any help/advice would be great before I go back to square one. Thanks in advance.