The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-11-07T01:45:44Z
POI name: Klagemauer
POI types: place-locality
#organicmaps ios

"Kein Trinkwasser"
OSM snapshot date: 2024-07-23T19:32:09Z
POI has no name
POI types: amenity-drinking_water
#organicmaps ios