[L] TypeError: event is undefined
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Authored By

	Jdlrobson
	Aug 28 2024, 11:31 PM

Description

Seems to only be observed on commons.wikimedia.org

Steps to replicate the issue (include links if applicable):

1283 errors in the last 7 days
https://logstash.wikimedia.org/goto/ec6c2d2beefcfe546fb63ecf8ff03149

Observed only on https://commons.wikimedia.org/wiki/Special:UploadWizard

Stack trace:

at UWSingleLanguageInputWidget/< https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.uploadWizard%7Cext.uploadWizard.page&skin=vector&version=puvic:166:150
at OO.EventEmitter.prototype.emit https://commons.wikimedia.org/w/load.php?lang=es&modules=oojs&skin=vector&version=rwdvu:8:344
at uw.UlsWidget.prototype.setValue https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.uploadWizard%7Cext.uploadWizard.page&skin=vector&version=puvic:164:674
at onSelect https://commons.wikimedia.org/w/load.php?lang=es&modules=ext.uploadWizard%7Cext.uploadWizard.page&skin=vector&version=puvic:163:972
at select https://commons.wikimedia.org/w/load.php?lang=es&modules=jquery.uls&skin=vector&version=1c2o4:23:632
at listen/< https://commons.wikimedia.org/w/load.php?lang=es&modules=jquery.uls&skin=vector&version=1c2o4:39:977
at dispatch https://commons.wikimedia.org/w/load.php?lang=es&modules=jquery%2Cmoment%2Coojs-ui-core%7Cmediawiki.feedback%2CmessagePoster%7Cmediawiki.libs.jpegmeta%7Cmediawiki.widgets.CategoryMultiselectWidget%2CDateInputWidget%2Cstyles%7Cmediawiki.widgets.DateInputWidget.styles&skin=vector&version=1ahqn:65:932
at add/elemData.handle https://commons.wikimedia.org/w/load.php?lang=es&modules=jquery%2Cmoment%2Coojs-ui-core%7Cmediawiki.feedback%2CmessagePoster%7Cmediawiki.libs.jpegmeta%7Cmediawiki.widgets.CategoryMultiselectWidget%2CDateInputWidget%2Cstyles%7Cmediawiki.widgets.DateInputWidget.styles&skin=vector&version=1ahqn:62:565