MediaWiki internal error.

Original exception: [8d08561af8a55f7b42f13587] /index.php?title=Special:WhatLinksHere/Culbert/Culbert_surname&limit=500 Wikimedia\Rdbms\DBQueryError: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading or after adding a new extension?

Please see https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Upgrading and https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:How_to_debug for more information.

Error 1146: Table 'onenamen_wikibio.mw_linktarget' doesn't exist
Function: MediaWiki\Linker\LinkTargetStore::getLinkTargetIdFromCache
Query: SELECT lt_id,lt_namespace,lt_title FROM `mw_linktarget` WHERE lt_namespace = 0 AND lt_title = 'Culbert/Culbert_surname' LIMIT 1

Backtrace:
from /home/onenamen/wiki/includes/libs/rdbms/database/Database.php(1524)
#0 /home/onenamen/wiki/includes/libs/rdbms/database/Database.php(1508): Wikimedia\Rdbms\Database->getQueryException(string, integer, string, string)
#1 /home/onenamen/wiki/includes/libs/rdbms/database/Database.php(1482): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, integer, string, string)
#2 /home/onenamen/wiki/includes/libs/rdbms/database/Database.php(855): Wikimedia\Rdbms\Database->reportQueryError(string, integer, string, string, boolean)
#3 /home/onenamen/wiki/includes/libs/rdbms/database/Database.php(1629): Wikimedia\Rdbms\Database->query(string, string, integer)
#4 /home/onenamen/wiki/includes/libs/rdbms/database/Database.php(1638): Wikimedia\Rdbms\Database->select(string, array, array, string, array, array)
#5 /home/onenamen/wiki/includes/libs/rdbms/database/DBConnRef.php(119): Wikimedia\Rdbms\Database->selectRow(string, array, array, string)
#6 /home/onenamen/wiki/includes/libs/rdbms/database/DBConnRef.php(362): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#7 /home/onenamen/wiki/includes/linker/LinkTargetStore.php(258): Wikimedia\Rdbms\DBConnRef->selectRow(string, array, array, string)
#8 /home/onenamen/wiki/includes/libs/objectcache/wancache/WANObjectCache.php(1759): MediaWiki\Linker\LinkTargetStore->MediaWiki\Linker\{closure}(boolean, integer, array, NULL, array)
#9 /home/onenamen/wiki/includes/libs/objectcache/wancache/WANObjectCache.php(1589): WANObjectCache->fetchOrRegenerate(string, integer, Closure, array, array)
#10 /home/onenamen/wiki/includes/linker/LinkTargetStore.php(267): WANObjectCache->getWithSetCallback(string, integer, Closure)
#11 /home/onenamen/wiki/includes/libs/objectcache/BagOStuff.php(216): MediaWiki\Linker\LinkTargetStore->MediaWiki\Linker\{closure}(integer)
#12 /home/onenamen/wiki/includes/linker/LinkTargetStore.php(269): BagOStuff->getWithSetCallback(string, integer, Closure)
#13 /home/onenamen/wiki/includes/linker/LinkTargetStore.php(126): MediaWiki\Linker\LinkTargetStore->getLinkTargetIdFromCache(MediaWiki\Title\Title)
#14 /home/onenamen/wiki/includes/linker/LinksMigration.php(74): MediaWiki\Linker\LinkTargetStore->getLinkTargetId(MediaWiki\Title\Title)
#15 /home/onenamen/wiki/includes/specials/SpecialWhatLinksHere.php(230): MediaWiki\Linker\LinksMigration->getLinksConditions(string, MediaWiki\Title\Title)
#16 /home/onenamen/wiki/includes/specials/SpecialWhatLinksHere.php(143): SpecialWhatLinksHere->showIndirectLinks(integer, MediaWiki\Title\Title, integer, integer, integer, string)
#17 /home/onenamen/wiki/includes/specialpage/FormSpecialPage.php(229): SpecialWhatLinksHere->onSuccess()
#18 /home/onenamen/wiki/includes/specialpage/SpecialPage.php(701): FormSpecialPage->execute(string)
#19 /home/onenamen/wiki/includes/specialpage/SpecialPageFactory.php(1475): SpecialPage->run(string)
#20 /home/onenamen/wiki/includes/MediaWiki.php(327): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, RequestContext)
#21 /home/onenamen/wiki/includes/MediaWiki.php(923): MediaWiki->performRequest()
#22 /home/onenamen/wiki/includes/MediaWiki.php(576): MediaWiki->main()
#23 /home/onenamen/wiki/index.php(50): MediaWiki->run()
#24 /home/onenamen/wiki/index.php(46): wfIndexMain()
#25 {main}

Exception caught inside exception handler: [8d08561af8a55f7b42f13587] /index.php?title=Special:WhatLinksHere/Culbert/Culbert_surname&limit=500 Error: Call to a member function getComponent() on null
Backtrace:
from /home/onenamen/wiki/includes/skins/Skin.php(111)
#0 /home/onenamen/wiki/includes/skins/SkinTemplate.php(274): Skin->getComponent(string)
#1 /home/onenamen/wiki/includes/skins/SkinTemplate.php(150): SkinTemplate->prepareQuickTemplate()
#2 /home/onenamen/wiki/includes/skins/SkinTemplate.php(181): SkinTemplate->generateHTML()
#3 /home/onenamen/wiki/includes/OutputPage.php(2899): SkinTemplate->outputPage()
#4 /home/onenamen/wiki/includes/exception/MWExceptionRenderer.php(184): OutputPage->output()
#5 /home/onenamen/wiki/includes/exception/MWExceptionRenderer.php(103): MWExceptionRenderer::reportHTML(Wikimedia\Rdbms\DBQueryError)
#6 /home/onenamen/wiki/includes/exception/MWExceptionHandler.php(132): MWExceptionRenderer::output(Wikimedia\Rdbms\DBQueryError, integer)
#7 /home/onenamen/wiki/includes/exception/MWExceptionHandler.php(249): MWExceptionHandler::report(Wikimedia\Rdbms\DBQueryError)
#8 /home/onenamen/wiki/includes/MediaWiki.php(595): MWExceptionHandler::handleException(Wikimedia\Rdbms\DBQueryError, string)
#9 /home/onenamen/wiki/index.php(50): MediaWiki->run()
#10 /home/onenamen/wiki/index.php(46): wfIndexMain()
#11 {main}