"Closed down year ago."
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: 2023-06-02T17:16:21Z
POI name: Fisch Schwarz
POI types: amenity-fast_food cuisine-fish shop-seafood
#organicmaps