Internal server error when doing tag lookup

Error:

Couldn't detach to command "not_found": Invalid action or component.

Stack trace:
line 304 MusicBrainz::Server
line 296 MusicBrainz::Server
line 305 MusicBrainz::Server
line 318 MusicBrainz::Server
line 363 MusicBrainz::Server

Request data:
$VAR1 = {
'query_parameters' =>

Unknown macro: { 'track' => '', 'duration' => '0', 'release' => '', 'tport' => '8000', 'artist' => '', 'tracknum' => '', 'filename' => '._03 Track 03.m4a', 'puid' => '' }

,
'body_parameters' => {}
};

Host: pingu

URL: https://musicbrainz.org/taglookup?tport=8000&artist=&release=&track=&tracknum=&duration=0&filename=._03%20Track%2003.m4a&puid=