Message Oracle ORA-36204 - (XSAGOP04N) In AGGMAP workspace object, the NAOPERATOR string must be HFIRST, HLAST or HEVEN.

ERROR	(XSAGOP04N) In AGGMAP workspace object, the NAOPERATOR string must be HFIRST, HLAST or HEVEN.
CAUSE	An invalid NAOPERATOR was specified.
ACTION	Specify HFIRST, HLAST or HEVEN.