Hi,
It seems that Haras du Coin Du Bois was already mapped as an area (https://www.openstreetmap.org/way/1423258958) before, so the node https://www.openstreetmap.org/node/13081559104 is not necessary. Compare
https://wiki.openstreetmap.org/wiki/Good_practice#One_feature,_one_OSM_element
https://wiki.openstreetmap.org/wiki/FR:Bonnes_pratiques#Un_item,_un_objet_OSM