Place type shown as null on WS event place rels

https://musicbrainz.org/ws/2/event/fe39727a-3d21-4066-9345-3970cbd6cca4?inc=aliases+artist-rels+place-rels&fmt=json has a null type and type-id for the place, but https://musicbrainz.org/ws/2/place/478558f9-a951-4067-ad91-e83f6ba63e74?inc=aliases&fmt=json shows that the place does have the type "Indoor arena"