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

 value of variable 'symbol_name' not usable as address

    Facility: DEBUG, VMS Debugger

    Explanation: The value of the specified variable is not usable as
    an address. The address must be a longword.

    User Action: Modify the address and retry the operation.