The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: École technologique privée Dynaméca
POI types: amenity-school
OSM data version: 2018-02-09T21:26:02Z
#mapsme

"Sémaphore de la Marine Nationale, Pointe du Raz"
POI has no name
POI types: landuse-military
OSM data version: 2020-08-03T21:05:25Z
#mapsme