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

 synchronize already in progress.

    Facility: DEBUG, VMS Debugger

    Explanation: Only one synchronize command is allowed at a time.

    User Action: Do not perform a synchronization command until the
    previous command has completed.