I have been getting this error (Server 2) under various conditions

TypeError: Error #1009: Cannot access a property or method of a null object reference.

 at forms.formGenerals.controls.list::GeneralSlotBase/updateUi()

 at geotopia.base::BaseItemRenderer/unlocked_eventHandler()

 at flash.events::EventDispatcher/dispatchEventFunction()

 at flash.events::EventDispatcher/dispatchEvent()

 at managers::GeoTimer$/dispatchUnlockGeoTimer()

 at managers::GeoTimer$/unlock()

 at managers::GeoTimer$/confirmUserIsActive()

 at tools::ApplicationManager$/app_clickHandler()