This should fail, but in a different way: either with a more clear message or, even better, by just not allowing the user to try to enter this in the first place.

Original reported ISE:

Internal server error on https://musicbrainz.org/recording/create
Referrer: https://musicbrainz.org/recording/create

Internal Server Error

Oops, something went wrong!

Error:

Caught exception in MusicBrainz::Server::Controller::Recording->create "The edit could not be created. Exception (string): Incorrect entity type for part of series relationship at lib/MusicBrainz/Server/Data/Relationship.pm line 572. at lib/MusicBrainz/Server/Controller.pm line 106. at lib/Sql.pm line 334. at lib/Sql.pm line 334."

Stack trace:

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Time: 2019-07-07 18:00:19 UTC

Host: b61e77c87379

Interface language: en

URL: https://musicbrainz.org/recording/create

Request data:

$VAR1 = { 'query_parameters' => {}, 'body_parameters' => { 'edit-recording.rel.0.attributes.0.type.gid' => 'a59c5830-5ec7-38fe-9a21-c7ea54f6650a', 'edit-recording.comment' => 'Fri, 28 Jun 2019', 'edit-recording.length' => '0:29', 'edit-recording.url.7.link_type_id' => '255', 'edit-recording.rel.0.entity1_credit' => '', 'edit-recording.rel.0.target' => '00d0ef08-ffb3-4c12-8f95-32607c757993', 'edit-recording.artist_credit.names.0.artist.id' => '1844161', 'edit-recording.url.7.text' => 'https://feed.pippa.io/public/streams/5d00b2b8429b288573c17f2c/episodes/5d14dd9675669b5f30fccc0f.mp3', 'edit-recording.artist_credit.names.0.join_phrase' => '', 'edit-recording.rel.0.link_type_id' => '740', 'edit-recording.edit_note' => 'https://feed.pippa.io/public/shows/tdf', 'edit-recording.artist_credit.names.0.name' => "Thierry Taz\x

-Bernard", 'edit-recording.name' => 'Dans l\'oreillette, le podcast sur le Tour de France', 'edit-recording.rel.0.link_order' => '0', 'edit-recording.isrcs.0' => '', 'edit-recording.artist_credit.names.0.artist.name' => "Thierry Taz\x{e9}-Bernard", 'edit-recording.rel.0.entity0_credit' => '', 'edit-recording.rel.0.attributes.0.text_value' => 'teaser' } };

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