MediaWiki internal error.

Original exception: exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: http://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT value,exptime FROM `mw_objectcache` WHERE keyname = 'formationnmercur-mw_:messages:fr' LIMIT 1
Function: SqlBagOStuff::get
Error: 1226 User 'formationnmercur' has exceeded the 'max_questions' resource (current value: 64000) (formationnmercur.mysql.db)
' in /home/formationn/www/mercurewiki/includes/db/Database.php:781
Stack trace:
#0 /home/formationn/www/mercurewiki/includes/db/Database.php(751): DatabaseBase->reportQueryError('User 'formation...', 1226, 'SELECT value,e...', 'SqlBagOStuff::g...', false)
#1 /home/formationn/www/mercurewiki/includes/db/Database.php(1050): DatabaseBase->query('SELECT value,e...', 'SqlBagOStuff::g...')
#2 /home/formationn/www/mercurewiki/includes/db/Database.php(1134): DatabaseBase->select('objectcache', Array, Array, 'SqlBagOStuff::g...', Array, Array)
#3 /home/formationn/www/mercurewiki/includes/BagOStuff.php(267): DatabaseBase->selectRow('objectcache', Array, Array, 'SqlBagOStuff::g...')
#4 /home/formationn/www/mercurewiki/includes/MessageCache.php(252): SqlBagOStuff->get('formationnmercu...')
#5 /home/formationn/www/mercurewiki/includes/MessageCache.php(606): MessageCache->load('fr')
#6 /home/formationn/www/mercurewiki/includes/MessageCache.php(545): MessageCache->getMsgFromNamespace('Recentchanges', 'fr')
#7 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(781): MessageCache->get('recentchanges', true, false)
#8 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(744): wfMsgGetKey('recentchanges', true, false, true)
#9 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(644): wfMsgReal('recentchanges', Array, true)
#10 /home/formationn/www/mercurewiki/includes/SpecialPage.php(891): wfMsg('recentchanges')
#11 /home/formationn/www/mercurewiki/includes/SpecialPage.php(830): SpecialPage->getDescription()
#12 /home/formationn/www/mercurewiki/includes/specials/SpecialRecentchanges.php(131): SpecialPage->setHeaders()
#13 /home/formationn/www/mercurewiki/includes/SpecialPage.php(578): SpecialRecentChanges->execute(NULL)
#14 /home/formationn/www/mercurewiki/includes/Wiki.php(262): SpecialPage::executePath(Object(Title))
#15 /home/formationn/www/mercurewiki/includes/Wiki.php(63): MediaWiki->handleSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#16 /home/formationn/www/mercurewiki/index.php(114): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest))
#17 /home/formationn/www/mercurewiki/index.php5(1): require('/home/formation...')
#18 {main}

Exception caught inside exception handler: exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: http://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT page_title FROM `mw_page` WHERE page_is_redirect = '0' AND page_namespace = '8' AND (page_title NOT LIKE '%/%' ) AND (page_len > 10000)
Function: MessageCache::loadFromDB(fr)-big
Error: 1226 User 'formationnmercur' has exceeded the 'max_questions' resource (current value: 64000) (formationnmercur.mysql.db)
' in /home/formationn/www/mercurewiki/includes/db/Database.php:781
Stack trace:
#0 /home/formationn/www/mercurewiki/includes/db/Database.php(751): DatabaseBase->reportQueryError('User 'formation...', 1226, 'SELECT page_ti...', 'MessageCache::l...', false)
#1 /home/formationn/www/mercurewiki/includes/db/Database.php(1050): DatabaseBase->query('SELECT page_ti...', 'MessageCache::l...')
#2 /home/formationn/www/mercurewiki/includes/MessageCache.php(345): DatabaseBase->select('page', 'page_title', Array, 'MessageCache::l...')
#3 /home/formationn/www/mercurewiki/includes/MessageCache.php(275): MessageCache->loadFromDB('fr')
#4 /home/formationn/www/mercurewiki/includes/MessageCache.php(606): MessageCache->load('fr')
#5 /home/formationn/www/mercurewiki/includes/MessageCache.php(545): MessageCache->getMsgFromNamespace('Databaseerror', 'fr')
#6 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(781): MessageCache->get('databaseerror', true, false)
#7 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(744): wfMsgGetKey('databaseerror', true, false, true)
#8 /home/formationn/www/mercurewiki/includes/Exception.php(91): wfMsgReal('databaseerror', Array)
#9 /home/formationn/www/mercurewiki/includes/db/Database.php(3074): MWException->msg('databaseerror', 'Database error')
#10 /home/formationn/www/mercurewiki/includes/Exception.php(175): DBQueryError->getPageTitle()
#11 /home/formationn/www/mercurewiki/includes/Exception.php(220): MWException->reportHTML()
#12 /home/formationn/www/mercurewiki/includes/Exception.php(325): MWException->report()
#13 /home/formationn/www/mercurewiki/includes/Exception.php(393): wfReportException(Object(DBQueryError))
#14 [internal function]: wfExceptionHandler(Object(DBQueryError))
#15 {main}