Campain Bug

including log

Sometimes in Campain it stays at LAST SOL 00:00 and does not jump to the "You have won" Screen

Thats the error:
------------------- Error ----------------------------
46:32 - NullReferenceException: Object reference not set to an instance of an object
Offworld.GameCore.TileServer.removeUnit ()
Offworld.GameCore.TileServer.setModule (Offworld.GameCore.ModuleServer newValue)
Offworld.GameCore.ModuleServer.init (Offworld.GameCore.GameServer pGame, Int32 iID, ModuleType eType, Offworld.GameCore.TileServer pTile)
Offworld.GameCore.GameServer.createModule (ModuleType eType, Offworld.GameCore.TileServer pTile)
Offworld.GameCore.GameServer.randomModule (ModuleType eModule, Offworld.GameCore.TileServer pTile)
Offworld.GameCore.GameServer.addModule (ModuleType eModule, Boolean bPopulation, Boolean bLabor)
Offworld.GameCore.PlayerServer.buyColonyModule (ModuleType eModule)
Offworld.GameCore.PlayerServer.AI_doStockColony ()
Offworld.GameCore.PlayerServer.AI_doStock ()
Offworld.GameCore.PlayerServer.AI_doUpdate ()
Offworld.GameCore.GameServer.doUpdate ()
Offworld.GameCore.Campaign.createAIResults ()
Offworld.GameCore.Campaign.doTurn ()
Offworld.GameCore.GameServer.makeGameOver ()
Offworld.GameCore.GameServer.makeWinningTeam (TeamType eNewValue)
Offworld.GameCore.GameServer.testWinner ()
Offworld.GameCore.GameServer.doUpdate ()
Offworld.GameCore.GameServer.testUpdate ()
AppMain.Update ()
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