When loading http://test.musicbrainz.org/release/88d7ac9f-a6eb-4d89-bbfc-e05db045b1d4/relationships I get:

Couldn't render template "undef error - Can't locate object method "as_string" via package "http://www.cdbaby.com/cd/etnikamusic/from/musicbrainz" (perhaps you forgot to load "http://www.cdbaby.com/cd/etnikamusic/from/musicbrainz"?) at /home/mbserver/musicbrainz/mb_server-next/script/../lib/MusicBrainz/Server/Entity/URL.pm line 28.
"