register save mask missing for stack frame frame_number

    Facility: DEBUG, VMS Debugger

    Explanation: Information on where the designated routine
    invocation might save registers is not available. Symbolic
    references to non-static variables of callers of this routine
    may not be resolved correction by the debugger.

    User Action: Recompile or reassemble the modules using the /DEBUG
    qualifier and then relink them.