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

 unable to format output string

    Facility: DEBUG, VMS Debugger

    Explanation: An error was returned from a call to $FAO.

    User Action: Submit a Software Performance Report (SPR).