Also https://www.openstreetmap.org/relation/5328674 Clasharoe needs doing too?
The JOSM validator picks this up:
1) Download object https://www.openstreetmap.org/way/1359703304
2) Zoom out a bit
3) Download data (some relations will appear)
4) Click on all relations shown and "download with members"
5) Click on all relations and manually select them
6) Validate
7) Zoom to problem
8) Read the error text and click on the relation
9) The gap is then shown
