Destination array was not long enough. Check destIndex and length, and the array's lower bounds.
   at System.Array.Copy(Array sourceArray, Int32 sourceIndex, Array destinationArray, Int32 destinationIndex, Int32 length, Boolean reliable)
   at ZombieBlocks.TerrainRegionFile.WriteTerrainData(Int32 gameIndex, Int32 changeNum, Int32 compressedDataLength, Byte[] buffer)
   at ZombieBlocks.TerrainRegionFile.WriteTerrainData(Int32 gameIndex, Int32 changeNum, GameBlock[] terrainArray, LZF compressor, Byte[] LZFTerrainSaveBuffer)
   at ZombieBlocks.NetworkedGameplayScreen.SaveDefToRegionFiles(GameTime gameTime, GameTerrainDefinition def)
   at ZombieBlocks.NetworkedGameplayScreen.SaveLocalTerrainToRegion(List`1 PendingSaveDefs, GameTime gameTime)
   at ZombieBlocks.NetworkedGameplayScreen.UpdateTerrainSaves()