[Wikidata-bugs] [Maniphest] [Created] T195962: "Failed to serialize data" on Commons pages using Wikidata based templates

[Jarekt]

Jarekt created this task. Jarekt added projects: MediaWiki-extensions-WikibaseClient, Commons. Herald added a subscriber: Aklapper. Herald added a project: Wikidata.

TASK DESCRIPTION

I have never seen "Failed to serialize data" before May 24 outage, when suddenly large number of pages showed it. The outage is over, but the pages with that error message are still showing up in Category:Pages with script errors, for example today there were: File:Slava-raskaj-05.jpg,
Category:Johann Conrad Eichler and Category:Samuel Augustus Mitchell among the others. Doing nul edit to the page always fixes it.

"Failed to serialize data" seem to be part of mediawiki-extensions-Wikibase authored by tgr and others and stands for "wikibase-error-serialize-error". Any idea how to stop pages from displaying this error?

TASK DETAIL

https://phabricator.wikimedia.org/T195962

EMAIL PREFERENCES

https://phabricator.wikimedia.org/settings/panel/emailpreferences/

To: Jarekt
Cc: Aklapper, Tgr, Jarekt, Lahi, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Poyekhali, Wong128hk, Wikidata-bugs, aude, El_Grafo, Dinoguy1000, Steinsplitter, Mbch331

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