Hello,
The type of the relation was changed from "boundary" to "route" in this changeset, so I reverted this changeset.
https://www.openstreetmap.org/changeset/166563656

Relation (OSM Wiki)
https://wiki.openstreetmap.org/wiki/Relation

Key:type
https://wiki.openstreetmap.org/wiki/Key:type

Relation:route
https://wiki.openstreetmap.org/wiki/Relation:route

Relation:boundary
https://wiki.openstreetmap.org/wiki/Relation:boundary
