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: COMMIT
Function: DatabaseBase::commit
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, 'COMMIT', 'DatabaseBase::c...', false)
#1 /home/formationn/www/mercurewiki/includes/db/Database.php(2283): DatabaseBase->query('COMMIT', 'DatabaseBase::c...')
#2 /home/formationn/www/mercurewiki/includes/BagOStuff.php(439): DatabaseBase->commit()
#3 /home/formationn/www/mercurewiki/includes/BagOStuff.php(427): SqlBagOStuff->expireAll()
#4 /home/formationn/www/mercurewiki/includes/BagOStuff.php(264): SqlBagOStuff->garbageCollect()
#5 /home/formationn/www/mercurewiki/includes/MessageCache.php(624): SqlBagOStuff->get('formationnmercu...')
#6 /home/formationn/www/mercurewiki/includes/MessageCache.php(545): MessageCache->getMsgFromNamespace('Cat\xC3\xA9gories', 'fr')
#7 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(2420): MessageCache->get('Cat\xC3\xA9gories', true, false)
#8 /home/formationn/www/mercurewiki/includes/Skin.php(2251): wfEmptyMsg('Cat\xC3\xA9gories', '<Cat\xC3\xA9gories...')
#9 /home/formationn/www/mercurewiki/includes/Skin.php(2213): Skin->addToSidebarPlain(Array, '* SEARCH\n* Navi...')
#10 /home/formationn/www/mercurewiki/includes/Skin.php(2193): Skin->addToSidebar(Array, 'sidebar')
#11 /home/formationn/www/mercurewiki/includes/SkinTemplate.php(499): Skin->buildSidebar()
#12 /home/formationn/www/mercurewiki/includes/OutputPage.php(1724): SkinTemplate->outputPage(Object(OutputPage))
#13 /home/formationn/www/mercurewiki/includes/Wiki.php(384): OutputPage->output()
#14 /home/formationn/www/mercurewiki/index.php(115): MediaWiki->finalCleanup(Object(OutputPage))
#15 /home/formationn/www/mercurewiki/index.php5(1): require('/home/formation...')
#16 {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 rev_id,rev_page,rev_text_id,rev_timestamp,rev_comment,rev_user_text,rev_user,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,page_namespace,page_title,page_latest FROM `mw_page`,`mw_revision` WHERE page_namespace = '8' AND page_title = 'Databaseerror' AND (rev_id=page_latest) AND (page_id=rev_page) LIMIT 1
Function: Revision::fetchFromConds
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 rev_id,...', 'Revision::fetch...', false)
#1 /home/formationn/www/mercurewiki/includes/db/Database.php(1050): DatabaseBase->query('SELECT rev_id,...', 'Revision::fetch...')
#2 /home/formationn/www/mercurewiki/includes/Revision.php(243): DatabaseBase->select(Array, Array, Array, 'Revision::fetch...', Array)
#3 /home/formationn/www/mercurewiki/includes/Revision.php(194): Revision::fetchFromConds(Object(DatabaseMysql), Array)
#4 /home/formationn/www/mercurewiki/includes/Revision.php(177): Revision::loadFromConds(Object(DatabaseMysql), Array)
#5 /home/formationn/www/mercurewiki/includes/Revision.php(62): Revision::newFromConds(Array)
#6 /home/formationn/www/mercurewiki/includes/MessageCache.php(642): Revision::newFromTitle(Object(Title))
#7 /home/formationn/www/mercurewiki/includes/MessageCache.php(545): MessageCache->getMsgFromNamespace('Databaseerror', 'fr')
#8 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(781): MessageCache->get('databaseerror', true, false)
#9 /home/formationn/www/mercurewiki/includes/GlobalFunctions.php(744): wfMsgGetKey('databaseerror', true, false, true)
#10 /home/formationn/www/mercurewiki/includes/Exception.php(91): wfMsgReal('databaseerror', Array)
#11 /home/formationn/www/mercurewiki/includes/db/Database.php(3074): MWException->msg('databaseerror', 'Database error')
#12 /home/formationn/www/mercurewiki/includes/Exception.php(175): DBQueryError->getPageTitle()
#13 /home/formationn/www/mercurewiki/includes/Exception.php(220): MWException->reportHTML()
#14 /home/formationn/www/mercurewiki/includes/Exception.php(325): MWException->report()
#15 /home/formationn/www/mercurewiki/includes/Exception.php(393): wfReportException(Object(DBQueryError))
#16 [internal function]: wfExceptionHandler(Object(DBQueryError))
#17 {main}