"There is no such region in Rwanda. Maybe it’s just a building but the description is wrong "
POI name: Mosque
POI types: place-region
OSM data version: 2019-06-21T10:47:15Z
#mapsme

"Not the name of an existing place"
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 This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.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: Mosque
POI types: place-region
OSM data version: 2019-05-17T13:54:02Z
#mapsme

"„Eastern Province“ not „Mosque“"
POI name: Mosque
POI types: place-region
OSM data version: 2019-06-21T10:47:15Z
#mapsme