ZObjectUtils: TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, array given
Open, MediumPublicPRODUCTION ERROR
Actions

Assigned To

None

Authored By

	brennen
	Feb 5 2026, 9:29 PM

Description

Error

service.version: 1.46.0-wmf.14
timestamp: 2026-02-05T21:27:11.278Z
labels.phpversion: 8.3.30
trace.id: 3e23f63a-83c9-4fd8-9de2-986f93170eac
Find trace.id in Logstash

labels.normalized_message

[{reqId}] {exception_url}   TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, array given

Frame	Location	Call
from	/srv/mediawiki/php-1.46.0-wmf.14/extensions/WikiLambda/includes/ZObjectUtils.php(1146)
#0	/srv/mediawiki/php-1.46.0-wmf.14/extensions/WikiLambda/includes/ZObjectUtils.php(1146)	property_exists(array, string)
#1	/srv/mediawiki/php-1.46.0-wmf.14/extensions/WikiLambda/includes/PublicAPI/PublicApiRun.php(71)	MediaWiki\Extension\WikiLambda\ZObjectUtils::getFunctionZidOrNull(array)
#2	/srv/mediawiki/php-1.46.0-wmf.14/extensions/WikiLambda/includes/ActionAPI/WikiLambdaApiBase.php(103)	MediaWiki\Extension\WikiLambda\PublicAPI\PublicApiRun->run()
#3	/srv/mediawiki/php-1.46.0-wmf.14/includes/Api/ApiMain.php(2061)	MediaWiki\Extension\WikiLambda\ActionAPI\WikiLambdaApiBase->execute()
#4	/srv/mediawiki/php-1.46.0-wmf.14/includes/Api/ApiMain.php(965)	MediaWiki\Api\ApiMain->executeAction()
#5	/srv/mediawiki/php-1.46.0-wmf.14/includes/Api/ApiMain.php(936)	MediaWiki\Api\ApiMain->executeActionWithErrorHandling()
#6	/srv/mediawiki/php-1.46.0-wmf.14/includes/Api/ApiEntryPoint.php(138)	MediaWiki\Api\ApiMain->execute()
#7	/srv/mediawiki/php-1.46.0-wmf.14/includes/MediaWikiEntryPoint.php(180)	MediaWiki\Api\ApiEntryPoint->execute()
#8	/srv/mediawiki/php-1.46.0-wmf.14/api.php(30)	MediaWiki\MediaWikiEntryPoint->run()
#9	/srv/mediawiki/w/api.php(3)	require(string)
#10	{main}

Notes

Noted a few of these in 1.46.0-wmf.14 (T413805).

Details

Request URL: https://www.wikifunctions.org/w/api.php?action=*&format=*&function_call=*

Related Objects

Mentioned Here: T413805: 1.46.0-wmf.14 deployment blockers

Event Timeline

brennen created this task.Feb 5 2026, 9:29 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptFeb 5 2026, 9:29 PM

brennen renamed this task from TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, array given to ZObjectUtils: TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, array given.Feb 5 2026, 9:29 PM

Maintenance_bot added a project: Abstract Wikipedia team.Feb 5 2026, 9:30 PM

Jdforrester-WMF triaged this task as Medium priority.Wed, Feb 18, 6:40 PM

Jdforrester-WMF moved this task from To Triage to Bugs to investigate on the Abstract Wikipedia team board.

ZObjectUtils: TypeError: property_exists(): Argument #1 ($object_or_class) must be of type object|string, array givenOpen, MediumPublicPRODUCTION ERRORActions