"Ort doppelt vorhanden/place already exists -> building next to it"
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 This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.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: Rathaus
POI types: building wheelchair-yes amenity-townhall
OSM data version: 2018-01-26T12:04:02Z
#mapsme

CVzZzc (OSM data version: 2016-06-20T05:57:02Z) #mapsme

445 (OSM data version: 2016-06-01T10:03:02Z) #mapsme

Hôtel grand palace (OSM data version: 2016-06-01T10:03:02Z) #mapsme

476 : La Chueca (OSM data version: 2016-06-01T10:03:02Z) #mapsme

Bungalows, Breakfast, Lunch, Dinner (OSM data version: 2016-08-22T09:03:02Z) #mapsme

comisaria (OSM data version: 2016-12-14T16:41:03Z) #mapsme

"playa"
POI has no name
POI types: highway-tertiary
OSM data version: 2017-11-17T20:18:02Z
#mapsme

parque las palmeras (OSM data version: 2017-03-28T20:59:03Z) #mapsme

Minimarket Nena (OSM data version: 2017-03-28T20:59:03Z) #mapsme