Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, UNDKEY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 state_name key key_name is undefined

    Facility: DEBUG, VMS Debugger

    Explanation: You attempted to use the SHOW/KEY or the DELETE/KEY
    command to show or delete the definition of a key that is not
    defined.

    User Action: Verify that the key is defined and reenter the
    command.