Error in BuildingVariationManager

[boformer]

NullReferenceException
at (wrapper managed-to-native) UnityEngine.Component:get_transform ()

at BuildingThemes.BuildingVariationManager.Reset () [0x00000] in :0

at BuildingThemes.LoadingExtension.OnReleased () [0x00000] in :0

at LoadingWrapper.OnLoadingExtensionsReleased () [0x00000] in :0
UnityEngine.Debug:Internal_LogException(Exception, Object)
UnityEngine.Debug:LogException(Exception)
LoadingWrapper:OnLoadingExtensionsReleased()
LoadingWrapper:Release()
LoadingManager:ReleaseRelay()
LoadingManager:OnDestroy()