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

 parse stack overflow, simplify expression

    Facility: DEBUG, VMS Debugger

    Explanation: The expression was too complex for the debugger to
    evaluate.

    User Action: Simplify the expression.