https://logstash.wikimedia.org/goto/662e5c4ad85302e34dd7116a6c3a017132a322d5e0d1c780f0f69c8ba77c9384
16,11325,629 errors since 30th October (meets criteria of https://wikitech.wikimedia.org/wiki/Deployments/Holding_the_train#Error-rate_increases_(See_#Logspam))
TypeError: Cannot read properties of null (reading 'connect')
```
at https://en.wikipedia.org/w/load.php?lang=en&modules=codex-styles%2CdiffMatchPatch%2Cdompurify%2Cmoment%2Cpapaparse%2Crangefix%2Cspark-md5%2CtreeDiffer%2Cunicodejs%2Cvue%7Cext.CodeMirror.visualEditor.init%7Cext.TemplateSandbox.visualeditor%7Cext.abuseFilter.visualEditor%7Cext.campaignEvents.postEdit%7Cext.chart.visualEditor%7Cext.cite.parsoid.styles%7Cext.cite.visualEditor%7Cext.citoid.visualEditor%7Cext.citoid.visualEditor.data%2Cicons%7Cext.confirmEdit.CaptchaInputWidget%2ChCaptcha%2CvisualEditor%7Cext.disambiguator.visualEditor%7Cext.geshi.visualEditor%7Cext.kartographer%7Cext.kartographer.editing%2Cutil%2CvisualEditor%7Cext.math.styles%2CvisualEditor%7Cext.score.visualEditor%7Cext.score.visualEditor.icons%7Cext.spamBlacklist.visualEditor%7Cext.templateData.templateDiscovery%7Cext.templateDataGenerator.editPage%7Cext.titleblacklist.visualEditor%7Cext.visualEditor.data%2Cicons-licenses%2CmoduleIcons%2CmoduleIndicators%7Cext.wikihiero.visualEditor%7Cext.wikimediaEvents.visualEditor%7Cjquery.lengthLimit%7Cjquery.uls.data%7Cmediawiki.action.view.redirectPage%7Cmediawiki.language.names%7Cmediawiki.page.gallery.styles%7Cmediawiki.pulsatingdot%2Cwidgets%7Cmediawiki.skinning.content.parsoid%7Cmediawiki.widgets.MediaSearch%2CUserInputWidget%2Cstyles%7Coojs-ui.styles.icons-alerts%2Cicons-content%2Cicons-editing-citation%2Cicons-editing-list%2Cicons-editing-styling%2Cicons-layout%2Cicons-location%2Cicons-media%2Cicons-moderation%2Cicons-movement%2Cicons-user&skin=minerva&version=je72v:494:658
at Object.add https://en.wikipedia.org/w/load.php?lang=en&modules=mediawiki.base&skin=minerva&version=1n3v0:4:436
at ve.init.mw.HCaptchaOnLoadHandler.static.init https://en.wikipedia.org/w/load.php?lang=en&modules=codex-styles%2CdiffMatchPatch%2Cdompurify%2Cmoment%2Cpapaparse%2Crangefix%2Cspark-md5%2CtreeDiffer%2Cunicodejs%2Cvue%7Cext.CodeMirror.visualEditor.init%7Cext.TemplateSandbox.visualeditor%7Cext.abuseFilter.visualEditor%7Cext.campaignEvents.postEdit%7Cext.chart.visualEditor%7Cext.cite.parsoid.styles%7Cext.cite.visualEditor%7Cext.citoid.visualEditor%7Cext.citoid.visualEditor.data%2Cicons%7Cext.confirmEdit.CaptchaInputWidget%2ChCaptcha%2CvisualEditor%7Cext.disambiguator.visualEditor%7Cext.geshi.visualEditor%7Cext.kartographer%7Cext.kartographer.editing%2Cutil%2CvisualEditor%7Cext.math.styles%2CvisualEditor%7Cext.score.visualEditor%7Cext.score.visualEditor.icons%7Cext.spamBlacklist.visualEditor%7Cext.templateData.templateDiscovery%7Cext.templateDataGenerator.editPage%7Cext.titleblacklist.visualEditor%7Cext.visualEditor.data%2Cicons-licenses%2CmoduleIcons%2CmoduleIndicators%7Cext.wikihiero.visualEditor%7Cext.wikimediaEvents.visualEditor%7Cjquery.lengthLimit%7Cjquery.uls.data%7Cmediawiki.action.view.redirectPage%7Cmediawiki.language.names%7Cmediawiki.page.gallery.styles%7Cmediawiki.pulsatingdot%2Cwidgets%7Cmediawiki.skinning.content.parsoid%7Cmediawiki.widgets.MediaSearch%2CUserInputWidget%2Cstyles%7Coojs-ui.styles.icons-alerts%2Cicons-content%2Cicons-editing-citation%2Cicons-editing-list%2Cicons-editing-styling%2Cicons-layout%2Cicons-location%2Cicons-media%2Cicons-moderation%2Cicons-movement%2Cicons-user&skin=minerva&version=je72v:494:571
at module.exports https://en.wikipedia.org/w/load.php?lang=en&modules=codex-styles%2CdiffMatchPatch%2Cdompurify%2Cmoment%2Cpapaparse%2Crangefix%2Cspark-md5%2CtreeDiffer%2Cunicodejs%2Cvue%7Cext.CodeMirror.visualEditor.init%7Cext.TemplateSandbox.visualeditor%7Cext.abuseFilter.visualEditor%7Cext.campaignEvents.postEdit%7Cext.chart.visualEditor%7Cext.cite.parsoid.styles%7Cext.cite.visualEditor%7Cext.citoid.visualEditor%7Cext.citoid.visualEditor.data%2Cicons%7Cext.confirmEdit.CaptchaInputWidget%2ChCaptcha%2CvisualEditor%7Cext.disambiguator.visualEditor%7Cext.geshi.visualEditor%7Cext.kartographer%7Cext.kartographer.editing%2Cutil%2CvisualEditor%7Cext.math.styles%2CvisualEditor%7Cext.score.visualEditor%7Cext.score.visualEditor.icons%7Cext.spamBlacklist.visualEditor%7Cext.templateData.templateDiscovery%7Cext.templateDataGenerator.editPage%7Cext.titleblacklist.visualEditor%7Cext.visualEditor.data%2Cicons-licenses%2CmoduleIcons%2CmoduleIndicators%7Cext.wikihiero.visualEditor%7Cext.wikimediaEvents.visualEditor%7Cjquery.lengthLimit%7Cjquery.uls.data%7Cmediawiki.action.view.redirectPage%7Cmediawiki.language.names%7Cmediawiki.page.gallery.styles%7Cmediawiki.pulsatingdot%2Cwidgets%7Cmediawiki.skinning.content.parsoid%7Cmediawiki.widgets.MediaSearch%2CUserInputWidget%2Cstyles%7Coojs-ui.styles.icons-alerts%2Cicons-content%2Cicons-editing-citation%2Cicons-editing-list%2Cicons-editing-styling%2Cicons-layout%2Cicons-location%2Cicons-media%2Cicons-moderation%2Cicons-movement%2Cicons-user&skin=minerva&version=je72v:489:284
at https://en.wikipedia.org/w/load.php?lang=en&modules=ext.visualEditor.core.utils.parsing%7Cext.visualEditor.targetLoader%2Ctrack%2Cve&skin=minerva&version=ytcku:14:738
at https://en.wikipedia.org/w/load.php?lang=en&modules=ext.visualEditor.core.utils.parsing%7Cext.visualEditor.targetLoader%2Ctrack%2Cve&skin=minerva&version=ytcku:14:710
at mightThrow https://en.wikipedia.org/w/load.php?lang=en&modules=jquery&skin=minerva&version=r2z40:44:983
at process https://en.wikipedia.org/w/load.php?lang=en&modules=jquery&skin=minerva&version=r2z40:45:643
```
https://logstash.wikimedia.org/goto/662e5c4ad85302e34dd7116a6c3a0171
**Steps to replicate the issue** (include links if applicable):
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**What happens?**:
**What should have happened instead?**:
**Software version** (on `Special:Version` page; skip for WMF-hosted wikis like Wikipedia):
**Other information** (browser name/version, screenshots, etc.):