Error:

Caught exception in MusicBrainz::Server::Controller::Recording->edit "Can't call method "value" on an undefined value at /usr/local/share/perl/5.10.1/HTML/FormHandler/Field.pm line 89."

Stack trace:

    line 12 MusicBrainz::Server::Form::Field::Length
    line 11 MusicBrainz::Server::Form
    line 126 MusicBrainz::Server::Controller
    line 37 MusicBrainz::Server::Controller::Role::Edit
    line 270 MusicBrainz::Server

Request data:

$VAR1 = {
          'query_parameters' => {},
          'body_parameters' => {
                                 'edit-recording.artist_credit.names.0.artist.id' => '623172',
                                 'edit-recording.edit_note' => '',
                                 'edit-recording.artist_credit.names.0.artist.name' => 'Attaccabrighe',
                                 'edit-recording.artist_credit.names.0.name' => 'Attaccabrighe',
                                 'gc-keepuppercase' => 'on',
                                 'edit-recording.artist_credit.names.0.join_phrase' => '',
                                 'edit-recording.comment' => '',
                                 'edit-recording.length' => '?:??',
                                 'edit-recording.as_auto_editor' => '1',
                                 'edit-recording.name' => 'In mezzo ai guai',
                                 'gc-mode' => 'Sentence'
                               }
        };
            

URL: http://musicbrainz.org/recording/76bc6177-16b7-409e-bb84-f29268d021c9/edit