Error
normalized_message
[{reqId}] {exception_url} Wikimedia\Assert\PreconditionException: Expected MediaWiki\Block\AbstractBlock to belong to the local wiki, but it belongs to 'huwiki'exception.trace
from /srv/mediawiki/php-1.42.0-wmf.19/includes/dao/WikiAwareEntityTrait.php(59)
#0 /srv/mediawiki/php-1.42.0-wmf.19/includes/block/DatabaseBlock.php(355): MediaWiki\Block\AbstractBlock->assertWiki(boolean)
#1 /srv/mediawiki/php-1.42.0-wmf.19/includes/block/DatabaseBlockStore.php(546): MediaWiki\Block\DatabaseBlock->getId()
#2 /srv/mediawiki/php-1.42.0-wmf.19/includes/block/DatabaseBlockStore.php(1937): MediaWiki\Block\DatabaseBlockStore->newLoad(string, integer, boolean)
#3 /srv/mediawiki/php-1.42.0-wmf.19/includes/block/DatabaseBlock.php(289): MediaWiki\Block\DatabaseBlockStore->doAutoblock(MediaWiki\Block\DatabaseBlock, string)
#4 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CheckUser/src/Hooks.php(856): MediaWiki\Block\DatabaseBlock->doAutoblock(string)
#5 /srv/mediawiki/php-1.42.0-wmf.19/includes/HookContainer/HookContainer.php(159): MediaWiki\CheckUser\Hooks->onPerformRetroactiveAutoblock(MediaWiki\Block\DatabaseBlock, array)
#6 /srv/mediawiki/php-1.42.0-wmf.19/includes/HookContainer/HookRunner.php(3068): MediaWiki\HookContainer\HookContainer->run(string, array)
#7 /srv/mediawiki/php-1.42.0-wmf.19/includes/block/DatabaseBlockStore.php(1837): MediaWiki\HookContainer\HookRunner->onPerformRetroactiveAutoblock(MediaWiki\Block\DatabaseBlock, array)
#8 /srv/mediawiki/php-1.42.0-wmf.19/includes/block/DatabaseBlockStore.php(1223): MediaWiki\Block\DatabaseBlockStore->doRetroactiveAutoblock(MediaWiki\Block\DatabaseBlock)
#9 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CentralAuth/includes/User/CentralAuthUser.php(2041): MediaWiki\Block\DatabaseBlockStore->insertBlock(MediaWiki\Block\DatabaseBlock)
#10 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CentralAuth/includes/User/CentralAuthUser.php(1960): MediaWiki\Extension\CentralAuth\User\CentralAuthUser->doLocalSuppression(boolean, string, string, string)
#11 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CentralAuth/includes/User/CentralAuthUser.php(1938): MediaWiki\Extension\CentralAuth\User\CentralAuthUser->doCrosswikiSuppression(boolean, string, string)
#12 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CentralAuth/includes/User/CentralAuthUser.php(1900): MediaWiki\Extension\CentralAuth\User\CentralAuthUser->suppress(string, string)
#13 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CentralAuth/includes/Special/SpecialCentralAuth.php(304): MediaWiki\Extension\CentralAuth\User\CentralAuthUser->adminLockHide(boolean, integer, string, MediaWiki\Context\RequestContext)
#14 /srv/mediawiki/php-1.42.0-wmf.19/extensions/CentralAuth/includes/Special/SpecialCentralAuth.php(202): MediaWiki\Extension\CentralAuth\Special\SpecialCentralAuth->doSubmit()
#15 /srv/mediawiki/php-1.42.0-wmf.19/includes/specialpage/SpecialPage.php(720): MediaWiki\Extension\CentralAuth\Special\SpecialCentralAuth->execute(NULL)
#16 /srv/mediawiki/php-1.42.0-wmf.19/includes/specialpage/SpecialPageFactory.php(1653): MediaWiki\SpecialPage\SpecialPage->run(NULL)
#17 /srv/mediawiki/php-1.42.0-wmf.19/includes/actions/ActionEntryPoint.php(504): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, MediaWiki\Context\RequestContext)
#18 /srv/mediawiki/php-1.42.0-wmf.19/includes/actions/ActionEntryPoint.php(145): MediaWiki\Actions\ActionEntryPoint->performRequest()
#19 /srv/mediawiki/php-1.42.0-wmf.19/includes/MediaWikiEntryPoint.php(199): MediaWiki\Actions\ActionEntryPoint->execute()
#20 /srv/mediawiki/php-1.42.0-wmf.19/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#21 /srv/mediawiki/w/index.php(3): require(string)
#22 {main}Impact
This makes it impossible to globally suppress an account from Special:CentralAuth. Such actions are typically time sensitive, meaning the error is likely infrequent, but the error is high-impactful.
Notes
Such an error happened before (T354298, T353620 and possibly others). Please keep in mind CentralAuth and its integration with blocks when refactoring / adding new assertions!