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

 illegal constant constant_name in address expression

    Facility: DEBUG, VMS Debugger

    Explanation: The constant in the message evaluates to a non-
    integer type. Only integer types can be used in an address
    expression.

    User Action: Change the constant to the appropriate integer
    value.