Welcome to OSM! Please stop this type of import! 

Please take a look on https://www.osm.org/way/1181344347: Instead of the existing tags
changeset=74482000
osm_id=724610398
tags={"name": "Centre des métiers", "amenity": "school", "barrier": "wall"}
timestamp=2019-09-14 18:44:48
version=1
you need this tags
amenity=school
barrier=wall
name=Centre des métiers

This are the same values from way https://www.osm.org/way/724610398, which are on the same position.

The best way is th revert your change set! If you need help, you are welcome!