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When trying to add section to group of sections in Group of Sections (NM0110) form an error message appears: “Group has overlaps.”.
Possibly the same section has been added to the same group twice (probably with different start dates but none of them end-dated) or you are trying to add a section that is already there.
Look for repeating section uniques in the Group of Sections form for that particular group. You can also run the following SQL query as the Highways owner user and it should tell you which section(s) it thinks are in the group more than once:
select nm_ne_id_of, n2.ne_unique, count(*)from nm_members_all, nm_elements_all n1, nm_elements_all n2where n2.ne_id = nm_ne_id_ofand nm_ne_id_in = n1.ne_idand n1.ne_unique = 'YOUR_GROUP_OF_SECTIONS_UNIQUE'group by nm_ne_id_of, n2.ne_uniquehaving count(*) > 1;