MediaWiki internal error.

Original exception: [7459ecf7] /index.php?title=Ausgezeichneter_Arbeitgeber&action=history DBQueryError from line 1246 of /usr/www/users/qualite/gedicap/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 vt_tag FROM `GenderWiki_valid_tag`
Function: ChangeTags::listExplicitlyDefinedTags
Error: 1146 Table 'qualite_gedicap1.GenderWiki_valid_tag' doesn't exist (sql452.your-server.de)

Backtrace:
#0 /usr/www/users/qualite/gedicap/includes/db/Database.php(1205): DatabaseBase->reportQueryError(string, integer, string, string, boolean)
#1 /usr/www/users/qualite/gedicap/includes/db/Database.php(1726): DatabaseBase->query(string, string)
#2 /usr/www/users/qualite/gedicap/includes/ChangeTags.php(1093): DatabaseBase->select(string, string, array, string)
#3 /usr/www/users/qualite/gedicap/includes/ChangeTags.php(1065): ChangeTags::listExplicitlyDefinedTags()
#4 /usr/www/users/qualite/gedicap/includes/ChangeTags.php(600): ChangeTags::listDefinedTags()
#5 /usr/www/users/qualite/gedicap/includes/actions/HistoryAction.php(160): ChangeTags::buildTagFilterSelector(NULL)
#6 /usr/www/users/qualite/gedicap/includes/actions/FormlessAction.php(43): HistoryAction->onView()
#7 /usr/www/users/qualite/gedicap/includes/MediaWiki.php(395): FormlessAction->show()
#8 /usr/www/users/qualite/gedicap/includes/MediaWiki.php(273): MediaWiki->performAction(Article, Title)
#9 /usr/www/users/qualite/gedicap/includes/MediaWiki.php(566): MediaWiki->performRequest()
#10 /usr/www/users/qualite/gedicap/includes/MediaWiki.php(414): MediaWiki->main()
#11 /usr/www/users/qualite/gedicap/index.php(43): MediaWiki->run()
#12 {main}

Exception caught inside exception handler: [31c0160e] /index.php?title=Ausgezeichneter_Arbeitgeber&action=history MWException from line 226 of /usr/www/users/qualite/gedicap/includes/Hooks.php: Detected bug in an extension! Hook Cite::checkRefsNoReferences has invalid call signature; Parameter 2 to Cite::checkRefsNoReferences() expected to be a reference, value given
Backtrace:
#0 /usr/www/users/qualite/gedicap/includes/parser/Parser.php(435): Hooks::run(string, array)
#1 /usr/www/users/qualite/gedicap/includes/cache/MessageCache.php(1056): Parser->parse(string, Title, ParserOptions, boolean)
#2 /usr/www/users/qualite/gedicap/includes/Message.php(1038): MessageCache->parse(string, Title, boolean, boolean, Language)
#3 /usr/www/users/qualite/gedicap/includes/Message.php(721): Message->parseText(string)
#4 /usr/www/users/qualite/gedicap/includes/Message.php(777): Message->toString()
#5 /usr/www/users/qualite/gedicap/includes/skins/Skin.php(654): Message->parse()
#6 /usr/www/users/qualite/gedicap/includes/skins/SkinTemplate.php(418): Skin->printSource()
#7 /usr/www/users/qualite/gedicap/includes/skins/SkinTemplate.php(230): SkinTemplate->prepareQuickTemplate(OutputPage)
#8 /usr/www/users/qualite/gedicap/includes/OutputPage.php(2288): SkinTemplate->outputPage()
#9 /usr/www/users/qualite/gedicap/includes/exception/MWException.php(204): OutputPage->output()
#10 /usr/www/users/qualite/gedicap/includes/exception/MWException.php(245): MWException->reportHTML()
#11 /usr/www/users/qualite/gedicap/includes/exception/MWExceptionHandler.php(59): MWException->report()
#12 /usr/www/users/qualite/gedicap/includes/exception/MWExceptionHandler.php(169): MWExceptionHandler::report(DBQueryError)
#13 /usr/www/users/qualite/gedicap/includes/MediaWiki.php(428): MWExceptionHandler::handleException(DBQueryError)
#14 /usr/www/users/qualite/gedicap/index.php(43): MediaWiki->run()
#15 {main}