VMS Help SOR Routines, SOR$STAT, Condition Values Returned  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    SOR$_ENDDIAGS      Completed with diagnostics.
    SOR$_MISS_PARAM    A required subroutine argument is missing.
    SOR$_NYI           Functionality is not yet implemented.
    SOR$_SYSERROR      System service error.