Error

• mwversion: 1.46.0-wmf.7
• timestamp: 2025-12-17T19:19:48.058Z
• phpversion: 8.3.28
• reqId: 268abbb3-0037-46f2-b347-8e768d165d71
• Find reqId in Logstash

Duplicate language in a MultiLingual String is not allowed: {language}

Duplicate language in a MultiLingual String is not allowed: Z1672

Duplicate language in a MultiLingual String is not allowed: Z1011

Duplicate language in a MultiLingual String is not allowed: Z1004

Duplicate language in a MultiLingual String is not allowed: Z1002

Impact

• level Warning
• last 7 days - 135 hits
• going to one of the reported url - https://www.wikifunctions.org/w/index.php?oldid=151324&title=Z22&uselang=en&useparsoid=1 - the page displays "The provided content is not a valid Object"

• Go to View history - the versions older than https://www.wikifunctions.org/wiki/Z22?uselang=en&diff=next&oldid=173866 show "The provided content is not a valid Object"

Notes

• started on @timestamp Dec 17, 2025 @ 19:19:48.058 - https://logstash.wikimedia.org/goto/f85a575abf13c005970ed26a674f1267