Granting execute on these 3 types to public allows the SQL to run successfully.STGEOM_AGGR_CONVEXHULLSTGEOM_AGGR_INTERSETIONSTGEOM_AGGR_UNIONAs SDE:GRANT EXECUTE ON SDE.STGEOM_AGGR_CONVEXHULL TO PUBLIC WITH GRANT OPTION;GRANT EXECUTE ON SDE.STGEOM_AGGR_INTERSECTION TO PUBLIC WITH GRANT OPTION;GRANT EXECUTE ON SDE.STGEOM_AGGR_UNION TO PUBLIC WITH GRANT OPTION;