Problem

Application crashes when selecting the element information icon and returns with the following error message.

************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
   at Bentley.Properties.Property
Manager.get_Instance()
   at Bentley.ElementInfo.ElementInfo.GetPropertyPane(String stateFileNameIn)
   at Bentley.ElementInfo.ElementInfoDialog.get_PropertyPane()
   at Bentley.DesignExplorer.DesignExplorerDialog.get_PropertyGrid()
   at Bentley.DesignExplore
r.DesignExplorerDialog.AddControlsToForm(GuiForm form, IImageHandler imageHandlerIn)
   at Bentley.ElementInfo.ElementInfoDialog.Bu
ildAndShowDialog(String stringIn, Boolean toggleStateIfOpenIn, Boolean grabFocus)
   at Bentley.ElementInfo.Keyins.DialogToggle(String stringIn)
   at Bentley.Internal.MicroStation.CoreHook.DispatchNoHandler(UInt32* argStack, UInt32 mysp, IntPtr pFunc)
   at Bentley.Internal.MicroStation.CoreHook.Dispatch(UInt32* argStack, UInt32 mysp, IntPtr pFunc)

Solution

Take a backup of your UPF file and delete it. Recreate the UPF file as per the following procedure.

1. Open MicroStation session.
2. While MicroStation session is open, backup UPF file (e.g. untitled.upf)
3. After backup, delete the UPF file.
4. Switch to currently opened MicroStation session and then hit File > Save and File > Save Settings.
5. New UPF file is created.

See Also

User Preference File