DBD: :Pg::st execute failed: ERROR:  new row for relation "recording" violates check constraint "only_non_empty"
DETAIL:  Failing row contains (22033422, ecbe6ae1-1ae5-4491-84a3-f14c333765d8, , 2139326, null, , 0, 2018-01-04 07:21:36.668207+00, f). [for Statement "INSERT INTO recording (artist_credit,name,length,gid) VALUES (?,?,?,?) RETURNING id" with ParamValues: 1='2139326', 2='', 3=undef, 4='ecbe6ae1-1ae5-4491-84a3-f14c333765d8']
  File "Connector.pm", line 49, in MusicBrainz::Server::Connector::__ANON__
    $exception->throw( sqlstate => $state, message => $msg );
  File "CoreEntity.pm", line 95, in MusicBrainz::Server::Data::CoreEntity::insert
    };
  File "Create.pm", line 165, in MusicBrainz::Server::Edit::Medium::Create::_insert_hash
    })->{id};
  File "Create.pm", line 47, in MusicBrainz::Server::Edit::Generic::Create::insert
    my $hash   = $self->_insert_hash(clone($self->data));
  File "Edit.pm", line 556, in MusicBrainz::Server::Data::Edit::create
    $edit->insert;
...
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