==== Error ====
* mwversion: `1.39.0-wmf.19`
* reqId: `e6a96536-13e0-4263-9aab-3a1d899099bf`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2022-07-18T18:18:30.000Z',to:'2022-07-19T18:23:20.474Z'))&_a=(query:(query_string:(query:'reqId:%22e6a96536-13e0-4263-9aab-3a1d899099bf%22'))) | Find reqId in Logstash ]]
```name=normalized_message
[{reqId}] {exception_url} PHP Notice: Undefined property: Wikimedia\PSquare::$increments
```
```name=exception.trace,lines=10
from /srv/mediawiki/php-1.39.0-wmf.19/vendor/wikimedia/running-stat/src/Wikimedia/PSquare.php(110)
#0 /srv/mediawiki/php-1.39.0-wmf.19/vendor/wikimedia/running-stat/src/Wikimedia/PSquare.php(110): MWExceptionHandler::handleError(integer, string, string, integer, array)
#1 /srv/mediawiki/php-1.39.0-wmf.19/extensions/Scribunto/includes/Hooks.php(238): Wikimedia\PSquare->addObservation(integer)
#2 /srv/mediawiki/php-1.39.0-wmf.19/extensions/Scribunto/includes/Hooks.php(154): MediaWiki\Extension\Scribunto\Hooks::reportTiming(string, string, integer)
#3 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/Parser.php(3453): MediaWiki\Extension\Scribunto\Hooks::invokeHook(Parser, PPTemplateFrame_Hash, array)
#4 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/Parser.php(3136): Parser->callParserFunction(PPTemplateFrame_Hash, string, array)
#5 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/PPFrame_Hash.php(276): Parser->braceSubstitution(array, PPTemplateFrame_Hash)
#6 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/Parser.php(3327): PPFrame_Hash->expand(PPNode_Hash_Tree)
#7 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/PPFrame_Hash.php(276): Parser->braceSubstitution(array, PPFrame_Hash)
#8 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/Parser.php(2971): PPFrame_Hash->expand(PPNode_Hash_Tree, integer)
#9 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/Parser.php(1607): Parser->replaceVariables(string)
#10 /srv/mediawiki/php-1.39.0-wmf.19/includes/parser/Parser.php(723): Parser->internalParse(string)
#11 /srv/mediawiki/php-1.39.0-wmf.19/includes/content/WikitextContentHandler.php(295): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#12 /srv/mediawiki/php-1.39.0-wmf.19/includes/content/ContentHandler.php(1703): WikitextContentHandler->fillParserOutput(WikitextContent, MediaWiki\Content\Renderer\ContentParseParams, ParserOutput)
#13 /srv/mediawiki/php-1.39.0-wmf.19/includes/content/Renderer/ContentRenderer.php(47): ContentHandler->getParserOutput(WikitextContent, MediaWiki\Content\Renderer\ContentParseParams)
#14 /srv/mediawiki/php-1.39.0-wmf.19/includes/Revision/RenderedRevision.php(270): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput(WikitextContent, Title, integer, ParserOptions, boolean)
#15 /srv/mediawiki/php-1.39.0-wmf.19/includes/Revision/RenderedRevision.php(237): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached(WikitextContent, boolean)
#16 /srv/mediawiki/php-1.39.0-wmf.19/includes/Revision/RevisionRenderer.php(236): MediaWiki\Revision\RenderedRevision->getSlotParserOutput(string, array)
#17 /srv/mediawiki/php-1.39.0-wmf.19/includes/Revision/RevisionRenderer.php(158): MediaWiki\Revision\RevisionRenderer->combineSlotOutput(MediaWiki\Revision\RenderedRevision, array)
#18 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}(MediaWiki\Revision\RenderedRevision, array)
#19 /srv/mediawiki/php-1.39.0-wmf.19/includes/Revision/RenderedRevision.php(199): call_user_func(Closure, MediaWiki\Revision\RenderedRevision, array)
#20 /srv/mediawiki/php-1.39.0-wmf.19/includes/poolcounter/PoolWorkArticleView.php(91): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#21 /srv/mediawiki/php-1.39.0-wmf.19/includes/poolcounter/PoolWorkArticleViewCurrent.php(97): PoolWorkArticleView->renderRevision()
#22 /srv/mediawiki/php-1.39.0-wmf.19/includes/poolcounter/PoolCounterWork.php(162): PoolWorkArticleViewCurrent->doWork()
#23 /srv/mediawiki/php-1.39.0-wmf.19/includes/page/ParserOutputAccess.php(299): PoolCounterWork->execute()
#24 /srv/mediawiki/php-1.39.0-wmf.19/includes/page/Article.php(705): MediaWiki\Page\ParserOutputAccess->getParserOutput(WikiFilePage, ParserOptions, MediaWiki\Revision\RevisionStoreCacheRecord, integer)
#25 /srv/mediawiki/php-1.39.0-wmf.19/includes/page/Article.php(517): Article->generateContentOutput(User, ParserOptions, integer, OutputPage, array)
#26 /srv/mediawiki/php-1.39.0-wmf.19/includes/page/ImagePage.php(95): Article->view()
#27 /srv/mediawiki/php-1.39.0-wmf.19/includes/page/Article.php(1808): ImagePage->view()
#28 /srv/mediawiki/php-1.39.0-wmf.19/includes/actions/RenderAction.php(39): Article->render()
#29 /srv/mediawiki/php-1.39.0-wmf.19/includes/MediaWiki.php(549): RenderAction->show()
#30 /srv/mediawiki/php-1.39.0-wmf.19/includes/MediaWiki.php(322): MediaWiki->performAction(ImagePage, Title)
#31 /srv/mediawiki/php-1.39.0-wmf.19/includes/MediaWiki.php(913): MediaWiki->performRequest()
#32 /srv/mediawiki/php-1.39.0-wmf.19/includes/MediaWiki.php(569): MediaWiki->main()
#33 /srv/mediawiki/php-1.39.0-wmf.19/index.php(50): MediaWiki->run()
#34 /srv/mediawiki/php-1.39.0-wmf.19/index.php(46): wfIndexMain()
#35 /srv/mediawiki/w/index.php(3): require(string)
#36 {main}
```
==== Impact ====
90000 errors in the last 15 minutes, making logspam-watch completely unusable. These errors started around 2022/07/19 17:00 UTC
==== Notes ====