https://beta.musicbrainz.org/ws/2/isrc/JPA600103770 works fine, https://beta.musicbrainz.org/ws/2/isrc/JPA600103770?fmt=json doesn't.

Fehler:

Caught exception in MusicBrainz::Server::Controller::WS::2::ISRC->isrc "Can't call method "isa" on unblessed reference at lib/MusicBrainz/Server/WebService/Serializer/JSON/2/Utils.pm line 74."

Stack-Trace:
line 74 MusicBrainz::Server::WebService::Serializer::JSON::2::Utils
line 85 MusicBrainz::Server::WebService::Serializer::JSON::2::Utils
line 25 MusicBrainz::Server::WebService::JSONSerializer
line 54 MusicBrainz::Server::Controller::WS::2::ISRC
line 328 MusicBrainz::Server
line 302 MusicBrainz::Server
line 329 MusicBrainz::Server
line 343 MusicBrainz::Server
line 388 MusicBrainz::Server

Anfragedaten:
$VAR1 = {
'query_parameters' =>

Unknown macro: { 'fmt' => 'json' }

,
'body_parameters' => {}
};

Zeit: 2014-10-11 02:24:58 UTC

Host: pino

Oberflächensprache: de

URL: https://beta.musicbrainz.org/ws/2/isrc/JPA600103770?fmt=json