The street is member of 2 relations (probably due of the split on municipality) ; i tried to fix it before adding missing building but i get too many validation warning.

-    Relation Avenue du Chant d'Oiseau (3011648) (avec le rôle street)
    Relation Avenue du Chant d'Oiseau (3495702) (avec le rôle street)

After fixed that i will import the missing buildings.