==== Error ====
* service.version: 1.45.0-wmf.8
* timestamp: 2025-07-02T09:05:37.258Z
* labels.phpversion: `8.1.32`
* trace.id: `9ac63538-a11a-4fa0-9fd4-545889106c0e`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2025-07-01T09:05:37.258Z',to:'2025-07-02T09:09:31.206Z'))&_a=(query:(query_string:(query:'reqId:%229ac63538-a11a-4fa0-9fd4-545889106c0e%22'))) | Find trace.id in Logstash ]]
```name=labels.normalized_message,lines=10
[{reqId}] {exception_url} TypeError: Cannot assign string to property MediaWiki\Extension\CampaignEvents\Event\EventRegistration::$meetingAddress of type ?MediaWiki\Extension\CampaignEvents\Address\Address
```
| Frame | Location | Call
| -- | -- | --
| from | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/libs/objectcache/MemcachedPeclBagOStuff.php#371 | /srv/mediawiki/php-1.45.0-wmf.8/includes/libs/objectcache/MemcachedPeclBagOStuff.php(371) ]] |
| #0 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/libs/objectcache/MemcachedPeclBagOStuff.php#371 | /srv/mediawiki/php-1.45.0-wmf.8/includes/libs/objectcache/MemcachedPeclBagOStuff.php(371) ]] | Memcached->getMulti(array)
| #1 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/libs/objectcache/MediumSpecificBagOStuff.php#675 | /srv/mediawiki/php-1.45.0-wmf.8/includes/libs/objectcache/MediumSpecificBagOStuff.php(675) ]] | Wikimedia\ObjectCache\MemcachedPeclBagOStuff->doGetMulti(array, int)
| #2 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/libs/objectcache/WANObjectCache.php#613 | /srv/mediawiki/php-1.45.0-wmf.8/includes/libs/objectcache/WANObjectCache.php(613) ]] | Wikimedia\ObjectCache\MediumSpecificBagOStuff->getMulti(array)
| #3 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/libs/objectcache/WANObjectCache.php#1698 | /srv/mediawiki/php-1.45.0-wmf.8/includes/libs/objectcache/WANObjectCache.php(1698) ]] | Wikimedia\ObjectCache\WANObjectCache->fetchKeys(array, array, float, null)
| #4 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/libs/objectcache/WANObjectCache.php#1646 | /srv/mediawiki/php-1.45.0-wmf.8/includes/libs/objectcache/WANObjectCache.php(1646) ]] | Wikimedia\ObjectCache\WANObjectCache->fetchOrRegenerate(string, int, Closure, array, array)
| #5 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CampaignEvents/+blame/refs/heads/wmf/1.45.0-wmf.8/src/Event/Store/EventStore.php#138 | /srv/mediawiki/php-1.45.0-wmf.8/extensions/CampaignEvents/src/Event/Store/EventStore.php(138) ]] | Wikimedia\ObjectCache\WANObjectCache->getWithSetCallback(string, int, Closure, array)
| #6 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CampaignEvents/+blame/refs/heads/wmf/1.45.0-wmf.8/src/Event/PageEventLookup.php#63 | /srv/mediawiki/php-1.45.0-wmf.8/extensions/CampaignEvents/src/Event/PageEventLookup.php(63) ]] | MediaWiki\Extension\CampaignEvents\Event\Store\EventStore->getEventByPage(MediaWiki\Extension\CampaignEvents\MWEntity\MWPageProxy, int)
| #7 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CampaignEvents/+blame/refs/heads/wmf/1.45.0-wmf.8/src/EventPage/EventPageDecorator.php#161 | /srv/mediawiki/php-1.45.0-wmf.8/extensions/CampaignEvents/src/EventPage/EventPageDecorator.php(161) ]] | MediaWiki\Extension\CampaignEvents\Event\PageEventLookup->getRegistrationForLocalPage(MediaWiki\Page\WikiPage)
| #8 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/extensions/CampaignEvents/+blame/refs/heads/wmf/1.45.0-wmf.8/src/Hooks/Handlers/ArticleViewHeaderHandler.php#46 | /srv/mediawiki/php-1.45.0-wmf.8/extensions/CampaignEvents/src/Hooks/Handlers/ArticleViewHeaderHandler.php(46) ]] | MediaWiki\Extension\CampaignEvents\EventPage\EventPageDecorator->decoratePage(MediaWiki\Page\WikiPage)
| #9 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/HookContainer/HookContainer.php#155 | /srv/mediawiki/php-1.45.0-wmf.8/includes/HookContainer/HookContainer.php(155) ]] | MediaWiki\Extension\CampaignEvents\Hooks\Handlers\ArticleViewHeaderHandler->onArticleViewHeader(MediaWiki\Page\Article, null, bool)
| #10 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/HookContainer/HookRunner.php#882 | /srv/mediawiki/php-1.45.0-wmf.8/includes/HookContainer/HookRunner.php(882) ]] | MediaWiki\HookContainer\HookContainer->run(string, array)
| #11 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/page/Article.php#708 | /srv/mediawiki/php-1.45.0-wmf.8/includes/page/Article.php(708) ]] | MediaWiki\HookContainer\HookRunner->onArticleViewHeader(MediaWiki\Page\Article, null, bool)
| #12 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/page/Article.php#551 | /srv/mediawiki/php-1.45.0-wmf.8/includes/page/Article.php(551) ]] | MediaWiki\Page\Article->generateContentOutput(MediaWiki\User\User, MediaWiki\Parser\ParserOptions, int, MediaWiki\Output\OutputPage, array)
| #13 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/actions/ViewAction.php#84 | /srv/mediawiki/php-1.45.0-wmf.8/includes/actions/ViewAction.php(84) ]] | MediaWiki\Page\Article->view()
| #14 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/actions/ActionEntryPoint.php#728 | /srv/mediawiki/php-1.45.0-wmf.8/includes/actions/ActionEntryPoint.php(728) ]] | MediaWiki\Actions\ViewAction->show()
| #15 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/actions/ActionEntryPoint.php#505 | /srv/mediawiki/php-1.45.0-wmf.8/includes/actions/ActionEntryPoint.php(505) ]] | MediaWiki\Actions\ActionEntryPoint->performAction(MediaWiki\Page\Article, MediaWiki\Title\Title)
| #16 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/actions/ActionEntryPoint.php#143 | /srv/mediawiki/php-1.45.0-wmf.8/includes/actions/ActionEntryPoint.php(143) ]] | MediaWiki\Actions\ActionEntryPoint->performRequest()
| #17 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/includes/MediaWikiEntryPoint.php#198 | /srv/mediawiki/php-1.45.0-wmf.8/includes/MediaWikiEntryPoint.php(198) ]] | MediaWiki\Actions\ActionEntryPoint->execute()
| #18 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+blame/refs/heads/wmf/1.45.0-wmf.8/index.php#58 | /srv/mediawiki/php-1.45.0-wmf.8/index.php(58) ]] | MediaWiki\MediaWikiEntryPoint->run()
| #19 | [[ https://gerrit.wikimedia.org/r/plugins/gitiles/operations/mediawiki-config/+blame/refs/heads/master/w/index.php#3 | /srv/mediawiki/w/index.php(3) ]] | require(string)
| #20 | {main} |
==== Impact ====
==== Notes ====