the debugger encountered an error when retrieving information on a
 particular graphical object in routine function_name.

    Facility: DEBUG, VMS Debugger

    Explanation: The debugger detected an error when retrieving
    information on a particular widget in the MOTIF toolkit. This
    prevents the debugger from continuing this session.

    User Action: Try the debugger again, if the same results exist
    submit a Software Performance Report (SPR).