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

 break or trace points on registers, records or arrays are not
 allowed

    Facility: DEBUG, VMS Debugger

    Explanation: Only watchpoints are allowed on registers, records
    or arrays.

    User Action: Either change the address of the breakpoint or
    tracepoint, or specify a watchpoint on the address.