None: Can't call method "types" on an undefined value at lib/MusicBrainz/Server/Controller/Release.pm line 613.
  File "Release.pm", line 613, in Catalyst::dispatch
    my @type_ids = map { $_->id } $c->model('CoverArtType')->get_by_name(@{ $artwork->types });
  File "Server.pm", line 388, in MusicBrainz::Server::__ANON__
    $c->$orig(@args)
  File "Server.pm", line 353, in MusicBrainz::Server::with_translations
    $code->();
  File "Server.pm", line 389, in Class::MOP::Method::Wrapped::__ANON__
    });
  File "Server.pm", line 403, in Class::MOP::Method::Wrapped::__ANON__
    $c->$orig(@args);
...
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