If the noticeboard already existed, NBS__SECTIONEXISTED status is returned and the calling process becomes its owner.
NBS__CANTOPEN Can't create the definition file
NBS__CANTREAD Can't read the definition file
NBS__BADVERSION Wrong version in definition file
NBS__SECTIONEXISTED Noticeboard of this name already
existed.
NBS__DATANOTSAVED Noticeboard data not saved to the
definition file, so not restored
SS$_* System service codes from SYS$CRMPSC or
SYS$DELTVA (VMS only).
NBS The Noticeboard System