Since 2023-01-22 at 15:00 UTC, EditVotes.pl ran by hourly cron job complains about it:

Can't load data and/or get exclusive lock for edit #96103583

No other information is logged.

Obviously the page https://musicbrainz.org/edit/96103583 fails at loading it too:

Edit Not Found
Sorry, we could not find an edit with that edit ID.

No event in Sentry seems to be related.

The tickets MBS-12849 and MBS-12850 have been opened on the same day but seem to be unrelated too.

Nothing special happened during that day according to IRC channel logs.

From the table "edit", this edit is of type "Add relationship" (90) and has been entered by a regular editor at 14:26:30 UTC:

SELECT * FROM edit WHERE id = 96103583

-[ RECORD 1 ]------------------------------
id          | 96103583 
editor      | 2005347 
type        | 90 
status      | 1 
autoedit    | 1 
open_time   | 2023-01-15 14:26:30.068476+00 
close_time  |  
expire_time | 2023-01-22 14:26:30.068476+00 
language    |  
quality     | 1

96103583,2005347,90,1,1,2023-01-15 14:26:30.068476+00,,2023-01-22 14:26:30.068476+00,,1

But there is no row with this edit ID in the tables "edit_data" and "edit_note".

However I doubt that we still have sufficient (MB/PG) server logs to further investigate this issue.