MediaWiki internal error.

Original exception: [5b7637060eec991e64a3e7b7] /index.php?title=Speci%C3%A1ln%C3%AD:Seznam_p%C5%99esm%C4%9Brov%C3%A1n%C3%AD&limit=50&offset=0 DBQueryError from line 934 of /var/www/clients/client1/web9/web/includes/db/Database.php: A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT page_id,page_namespace,page_title,page_len,page_is_redirect,page_latest,page_content_model FROM `sc2_page` WHERE (page_namespace = '0' AND page_title IN ('100_srdcí','100_♥_PRO_STARCRAFT_2','200_srdcí','200_♥_PRO_STARCRAFT_2','300_srdcí','300_♥_PRO_STARCRAFT_2','400_srdcí','400_♥_PRO_STARCRAFT_2','500_srdcí','500_♥_PRO_STARCRAFT_2','ASUS_Arena_2013_-_kvalifikace','ASUS_Arena_2013_-_kvalifikace(CZ)','AW_KoTH_kings','KoTH_kings','Babytoss','BabyToss','BenQ_Grunex_SC2_Challenge','BenQ_Grunex_StarCraft_2_Challenge','BenQ_Liga_3','BenQ_Liga_1','CZC.cz_Saturday_Cup_Season_2','SCORE_Saturday_Cup_Season_2','CZC.cz_Saturday_Cup_Season_4','SCORE_Saturday_Cup_Season_4','Comgad_Liga_1','Comgad_Liga','ESWC_Kvalifikace','ESWC_Kvalifikace_2011','ESuba_KoTH_kings','eSuba_KoTH_kings','Enombed_valley','Entombed_valley','Gigabyte_Liga','PLAYzone_1v1_Liga','Grunex','Grunex.com','Hitpoint_Showtime','Hitpoint_StarCraft_2_Showtime','INTEL_LanCraft_Summer_2011','Intel_LanCraft_Summer_2011','INTEL_LanCraft_Summer_2012','Intel_LanCraft_Summer_2012','Intel_Grunex_Challenge_2011','Intel_Grunex_SC2_Challenge','MSI_LanCraft_Spring_2011','Msi_LanCraft_Spring_2011','Mistrovství_České_republiky_2012','MČR_2012','MČR_2011','Mistrovství_České_republiky_2011','MČR_2013','Mistrovství_České_republiky_2013','PLAYzone','PLAYzone.cz','PLAYzone_1v1_Liga_(WoL)','PSPL','PokerStrategy.com_ProLeague','Qck_Tour_Season_1','SteelSeries_Qck_Tour_Season_1','SEE','Samsung_European_Encounter_kvalifikace','SEE_kvalifikace','SKL','SteelSeries_Klanová_Liga','Saturday_Cup','Saturday_Cup_(WoL)','Sige_Tank','Siege_Tank','TNAC_-_SkillZone_kvalifikace','TNAC_2_-_SkillZone_kvalifikace','WeWannWin_Clan','WeWannaWin_Clan','WeWannaWin_Clan_B-team','w3c_B-tým','daybreak','Daybreak','headhunter','h34D_hUnT3R','lumpas','Lumpas','saturday_cup','w3c') )
Function: LinkBatch::doQuery
Error: 1054 Unknown column 'page_content_model' in 'field list' (localhost)

Backtrace:
#0 /var/www/clients/client1/web9/web/includes/db/Database.php(901): DatabaseBase->reportQueryError(string, integer, string, string, boolean)
#1 /var/www/clients/client1/web9/web/includes/db/Database.php(1234): DatabaseBase->query(string, string)
#2 /var/www/clients/client1/web9/web/includes/cache/LinkBatch.php(208): DatabaseBase->select(string, array, string, string)
#3 /var/www/clients/client1/web9/web/includes/cache/LinkBatch.php(132): LinkBatch->doQuery()
#4 /var/www/clients/client1/web9/web/includes/cache/LinkBatch.php(121): LinkBatch->executeInto(LinkCache)
#5 /var/www/clients/client1/web9/web/includes/specials/SpecialListredirects.php(88): LinkBatch->execute()
#6 /var/www/clients/client1/web9/web/includes/specialpage/QueryPage.php(613): ListredirectsPage->preprocessResults(DatabaseMysqli, ResultWrapper)
#7 /var/www/clients/client1/web9/web/includes/specialpage/SpecialPage.php(522): QueryPage->execute(NULL)
#8 /var/www/clients/client1/web9/web/includes/specialpage/SpecialPageFactory.php(577): SpecialPage->run(NULL)
#9 /var/www/clients/client1/web9/web/includes/MediaWiki.php(282): SpecialPageFactory::executePath(Title, RequestContext)
#10 /var/www/clients/client1/web9/web/includes/MediaWiki.php(735): MediaWiki->performRequest()
#11 /var/www/clients/client1/web9/web/includes/MediaWiki.php(509): MediaWiki->main()
#12 /var/www/clients/client1/web9/web/index.php(43): MediaWiki->run()
#13 {main}

Exception caught inside exception handler: [5b7637060eec991e64a3e7b7] /index.php?title=Speci%C3%A1ln%C3%AD:Seznam_p%C5%99esm%C4%9Brov%C3%A1n%C3%AD&limit=50&offset=0 DBQueryError from line 934 of /var/www/clients/client1/web9/web/includes/db/Database.php: A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT page_namespace,page_title,page_touched,rev_len,rev_sha1 FROM `sc2_page` INNER JOIN `sc2_revision` ON ((page_latest=rev_id)) WHERE (page_namespace = '8' AND page_title IN ('Common.js','Fallback.js','Common.css','Fallback.css','Print.css') )
Function: ResourceLoaderWikiModule::getTitleInfo
Error: 1054 Unknown column 'rev_sha1' in 'field list' (localhost)

Backtrace:
#0 /var/www/clients/client1/web9/web/includes/db/Database.php(901): DatabaseBase->reportQueryError(string, integer, string, string, boolean)
#1 /var/www/clients/client1/web9/web/includes/db/Database.php(1234): DatabaseBase->query(string, string)
#2 /var/www/clients/client1/web9/web/includes/resourceloader/ResourceLoaderWikiModule.php(308): DatabaseBase->select(array, array, string, string, array, array)
#3 /var/www/clients/client1/web9/web/includes/resourceloader/ResourceLoaderWikiModule.php(260): ResourceLoaderWikiModule->getTitleInfo(ResourceLoaderContext)
#4 /var/www/clients/client1/web9/web/includes/OutputPage.php(2854): ResourceLoaderWikiModule->isKnownEmpty(ResourceLoaderContext)
#5 /var/www/clients/client1/web9/web/includes/OutputPage.php(3766): OutputPage->makeResourceLoaderLink(array, string)
#6 /var/www/clients/client1/web9/web/includes/OutputPage.php(2696): OutputPage->buildCssLinks()
#7 /var/www/clients/client1/web9/web/includes/skins/SkinTemplate.php(482): OutputPage->headElement(SkinFallback)
#8 /var/www/clients/client1/web9/web/includes/skins/SkinTemplate.php(246): SkinTemplate->prepareQuickTemplate(OutputPage)
#9 /var/www/clients/client1/web9/web/includes/OutputPage.php(2335): SkinTemplate->outputPage()
#10 /var/www/clients/client1/web9/web/includes/exception/MWException.php(206): OutputPage->output()
#11 /var/www/clients/client1/web9/web/includes/exception/MWException.php(246): MWException->reportHTML()
#12 /var/www/clients/client1/web9/web/includes/exception/MWExceptionHandler.php(69): MWException->report()
#13 /var/www/clients/client1/web9/web/includes/exception/MWExceptionHandler.php(180): MWExceptionHandler::report(DBQueryError)
#14 /var/www/clients/client1/web9/web/includes/MediaWiki.php(518): MWExceptionHandler::handleException(DBQueryError)
#15 /var/www/clients/client1/web9/web/index.php(43): MediaWiki->run()
#16 {main}