==== Error ====
* mwversion: `undefined`
* reqId: `undefined`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2023-02-05T20:00:54.325Z',to:'2023-02-06T20:00:54.325Z'))&_a=(query:(query_string:(query:'reqId:%22undefined%22'))) | Find reqId in Logstash ]]
```name=normalized_message
TypeError: Cannot read properties of undefined (reading 'getBoundingClientRect')
at isLanguageFullyVisible https://en.wikipedia.org/w/load.php?lang=en&modules=ext.uls.i18n%2Clanguagenames%2Cmediawiki%2Cmessages%7Cjquery.i18n%2Culs%7Cjquery.uls.grid&skin=vector-2022&version=1irt0:70:498
at LanguageCategoryDisplay.highlightLanguageOption https://en.wikipedia.org/w/load.php?lang=en&modules=ext.uls.i18n%2Clanguagenames%2Cmediawiki%2Cmessages%7Cjquery.i18n%2Culs%7Cjquery.uls.grid&skin=vector-2022&version=1irt0:72:1
at LanguageCategoryDisplay.navigateUp https://en.wikipedia.org/w/load.php?lang=en&modules=ext.uls.i18n%2Clanguagenames%2Cmediawiki%2Cmessages%7Cjquery.i18n%2Culs%7Cjquery.uls.grid&skin=vector-2022&version=1irt0:71:699
at LanguageFilter.keypress https://en.wikipedia.org/w/load.php?lang=en&modules=ext.uls.i18n%2Clanguagenames%2Cmediawiki%2Cmessages%7Cjquery.i18n%2Culs%7Cjquery.uls.grid&skin=vector-2022&version=1irt0:81:393
at HTMLInputElement.dispatch https://en.wikipedia.org/w/load.php?lang=en&modules=jquery%2Cvue&skin=vector-2022&version=1vlka:70:260
at elemData.handle https://en.wikipedia.org/w/load.php?lang=en&modules=jquery%2Cvue&skin=vector-2022&version=1vlka:66:877
```
```
name=exception.trace,lines=10
```
==== Impact ====
==== Notes ====
Seems to occur on keypress
Potential upstream issue in jquery.uls.lcd.js