Slitherine

Attempting to update my game it refused to take 1.80.
When the game was re-started this message appeared:

KeyNotFoundException
1.2.9 2010 07 15
{}
Dictionary.Value v o Dictionary v
gamefixed.s.TerrainUniqueNames.intHexTerrainType i4 s
uiplayer.terrain.TiledMapBackground.InitialiseShared o XmlDocument
uiplayer.s.AncientsUI.Initialise o uiplayer.s.AncientsUI o uiplayer.htk.GraphicsArea o XmlDocument
uiplayer.UIImp.Initialise o uiplayer.UIImp o uiplayer.htk.GraphicsArea o uiplayer.EngineUI
uiplayer.s.AncientsUIFactory.uiCreate o uiplayer.UI o uiplayer.s.AncientsUIFactory o uiplayer.htk.GraphicsArea
gameinstance.Program.ThreadStart o gameinstance.Program
Delegate.IM Invoke
util.DelegateThread.Event Run o util.DelegateThread

Any ideas?

Its saying you are on version 1.2.9 so I suggest grabbing the installer and using that instead.