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 user_ip FROM `mw_user_newtalk` WHERE user_ip = '52.14.26.141' LIMIT 1
Function: User::checkNewtalk
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 user_ip...', 'User::checkNewt...', false)
#1 /home/formationn/www/mercurewiki/includes/db/Database.php(1050): DatabaseBase->query('SELECT user_ip...', 'User::checkNewt...')
#2 /home/formationn/www/mercurewiki/includes/db/Database.php(925): DatabaseBase->select('user_newtalk', 'user_ip', Array, 'User::checkNewt...', Array)
#3 /home/formationn/www/mercurewiki/includes/User.php(1634): DatabaseBase->selectField('user_newtalk', 'user_ip', Array, 'User::checkNewt...')
#4 /home/formationn/www/mercurewiki/includes/User.php(1590): User->checkNewtalk('user_ip', '52.14.26.141', true)
#5 /home/formationn/www/mercurewiki/includes/User.php(1610): User->getNewtalk()
#6 /home/formationn/www/mercurewiki/includes/Skin.php(2319): User->getNewMessageLinks()
#7 /home/formationn/www/mercurewiki/includes/SkinTemplate.php(341): Skin->getNewtalks()
#8 /home/formationn/www/mercurewiki/includes/OutputPage.php(1724): SkinTemplate->outputPage(Object(OutputPage))
#9 /home/formationn/www/mercurewiki/includes/Wiki.php(384): OutputPage->output()
#10 /home/formationn/www/mercurewiki/index.php(115): MediaWiki->finalCleanup(Object(OutputPage))
#11 /home/formationn/www/mercurewiki/index.php5(1): require('/home/formation...')
#12 {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 value,exptime FROM `mw_objectcache` WHERE keyname = 'formationnmercur-mw_:messages:individual:Databaseerror' 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(624): SqlBagOStuff->get('formationnmercu...')
#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}