I tried first doing something silly and got

Internal Server Error

Oops, something went wrong!

Error:

Couldn't render template "undef error - encountered object 'MusicBrainz::Server::Form::Field::ISRC::10=HASH(0x1e7886d0)', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing) at lib/MusicBrainz/Server/Form.pm line 205.
"

Stack trace:

line 19 MusicBrainz::Server::View::Default
line 341 MusicBrainz::Server
line 315 MusicBrainz::Server
line 342 MusicBrainz::Server
line 356 MusicBrainz::Server
line 388 MusicBrainz::Server

Time: 2016-11-06 17:45:51 UTC

Host: 0b64a5fcad31

Interface language: en

URL: https://n.musicbrainz.org/recording/create?artist=72259851-ae93-4d3d-9f72-31baa2690bb1

Request data:

$VAR1 = {
'query_parameters' =>

{ 'artist' => '72259851-ae93-4d3d-9f72-31baa2690bb1' },
'body_parameters' => { 'edit-recording.isrcs.0' => 'nova scotia', 'edit-recording.comment' => 'Disgustimbiguation', 'edit-recording.edit_note' => 'blah blah blah their new alsbum blah', 'edit-recording.name' => 'blup!', 'edit-recording.length' => '' }
};


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but any kind of data entered in the "add recording" on an artist will fail:


Internal Server Error

Oops, something went wrong!

Error:

Caught exception in MusicBrainz::Server::Controller::Recording->create "The edit could not be created. Exception (string): Modification of non-creatable array value attempted, subscript -1 at lib/MusicBrainz/Server/Data/ArtistCredit.pm line 99.
at lib/MusicBrainz/Server/Controller.pm line 103.
at lib/Sql.pm line 334."

Stack trace:

line 19 MusicBrainz::Server::Model::MB
line 202 MusicBrainz::Server::Controller
line 132 MusicBrainz::Server::Controller::Role::EditRelationships
line 82 MusicBrainz::Server::Controller::Role::Create
line 341 MusicBrainz::Server
line 315 MusicBrainz::Server
line 342 MusicBrainz::Server
line 356 MusicBrainz::Server
line 388 MusicBrainz::Server

Time: 2016-11-06 17:51:27 UTC

Host: 0b64a5fcad31

Interface language: en

URL: https://n.musicbrainz.org/recording/create?artist=72259851-ae93-4d3d-9f72-31baa2690bb1

Request data:

$VAR1 = {
'body_parameters' => { 'edit-recording.comment' => 'blahgrafrgargaff', 'edit-recording.edit_note' => 'blahgrafrgargaff', 'edit-recording.name' => 'blup!', 'edit-recording.length' => '', 'edit-recording.isrcs.0' => '' },
'query_parameters' => { 'artist' => '72259851-ae93-4d3d-9f72-31baa2690bb1' }

};

We're terribly sorry for this problem. Please wait a few minutes and repeat your request — the problem may go away.

If the problem persists, please report a bug and include any error message that is shown above.

Please be sure to include the stack trace and request data shown above!