Error m_class = null

[boformer]

Please report this error on the Building Themes workshop page:
ERROR: Object reference not set to an instance of an object
at BuildingThemes.GUI.BuildingItem.get_level () [0x00000] in :0
at BuildingThemes.GUI.UIThemeManager.ThemeValidityError (BuildingThemes.Theme theme) [0x00000] in :0
at BuildingThemes.GUI.UIThemeItem.Display (System.Object data, Boolean isRowOdd) [0x00000] in :0
at BuildingThemes.GUI.UIFastList.DisplayAt (Single pos) [0x00000] in :0
at BuildingThemes.GUI.UIThemeManager.SetupControls () [0x00000] in :0
at BuildingThemes.GUI.UIThemeManager.Start () [0x00000] in :0