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: 2024-05-28T17:19:44Z
POI has no name
POI types: building
#organicmaps ios

"Riverside Guitars , Gitarrengeschäft , siehe Google Maps und Facebook-Eintrag"
OSM snapshot date: 2024-07-02T13:27:57Z
POI has no name
POI types: building
#organicmaps ios