MediaWiki internal error.

Original exception: exception 'DBQueryError' with message 'A database error has occurred
Query: BEGIN
Function: Database::begin
Error: 1226 User 'wikiuser' has exceeded the 'max_questions' resource (current value: 1000) (localhost)
' in /var/www/mediawiki-1.7.1/includes/Database.php:647
Stack trace:
#0 /var/www/mediawiki-1.7.1/includes/Database.php(604): Database->reportQueryError('User 'wikiuser'...', 1226, 'BEGIN', 'Database::begin', false)
#1 /var/www/mediawiki-1.7.1/includes/Database.php(1702): Database->query('BEGIN', 'Database::begin')
#2 /var/www/mediawiki-1.7.1/includes/Database.php(578): Database->begin()
#3 /var/www/mediawiki-1.7.1/includes/Database.php(1838): Database->query('SHOW STATUS LIK...')
#4 /var/www/mediawiki-1.7.1/includes/LoadBalancer.php(197): Database->getStatus('Thread%')
#5 /var/www/mediawiki-1.7.1/includes/LoadBalancer.php(364): LoadBalancer->getReaderIndex()
#6 /var/www/mediawiki-1.7.1/includes/DatabaseFunctions.php(52): LoadBalancer->getConnection(-1, true, Array)
#7 /var/www/mediawiki-1.7.1/includes/Wiki.php(207): wfGetDB(-1)
#8 /var/www/mediawiki-1.7.1/includes/Wiki.php(48): MediaWiki->initializeArticle(Object(Title), Object(WebRequest))
#9 /var/www/mediawiki-1.7.1/index.php(123): MediaWiki->initialize(Object(Title), Object(OutputPage), Object(User), Object(WebRequest))
#10 {main}

Exception caught inside exception handler: exception 'DBUnexpectedError' with message 'Error in fetchObject(): User 'wikiuser' has exceeded the 'max_questions' resource (current value: 1000)' in /var/www/mediawiki-1.7.1/includes/Database.php:764
Stack trace:
#0 /var/www/mediawiki-1.7.1/includes/Database.php(1840): Database->fetchObject(false)
#1 /var/www/mediawiki-1.7.1/includes/LoadBalancer.php(197): Database->getStatus('Thread%')
#2 /var/www/mediawiki-1.7.1/includes/LoadBalancer.php(364): LoadBalancer->getReaderIndex()
#3 /var/www/mediawiki-1.7.1/includes/DatabaseFunctions.php(52): LoadBalancer->getConnection(-1, true, Array)
#4 /var/www/mediawiki-1.7.1/includes/LinkBatch.php(124): wfGetDB(-1)
#5 /var/www/mediawiki-1.7.1/includes/LinkBatch.php(80): LinkBatch->doQuery()
#6 /var/www/mediawiki-1.7.1/includes/LinkBatch.php(69): LinkBatch->executeInto(Object(LinkCache))
#7 /var/www/mediawiki-1.7.1/includes/Skin.php(194): LinkBatch->execute()
#8 /var/www/mediawiki-1.7.1/includes/Skin.php(173): Skin->preloadExistence()
#9 /var/www/mediawiki-1.7.1/includes/SkinTemplate.php(108): Skin->initPage(Object(OutputPage))
#10 /var/www/mediawiki-1.7.1/skins/MonoBook.php(28): SkinTemplate->initPage(Object(OutputPage))
#11 /var/www/mediawiki-1.7.1/includes/SkinTemplate.php(155): SkinMonoBook->initPage(Object(OutputPage))
#12 /var/www/mediawiki-1.7.1/includes/OutputPage.php(594): SkinTemplate->outputPage(Object(OutputPage))
#13 /var/www/mediawiki-1.7.1/includes/Exception.php(53): OutputPage->output()
#14 /var/www/mediawiki-1.7.1/includes/Exception.php(70): MWException->reportHTML()
#15 /var/www/mediawiki-1.7.1/includes/Exception.php(145): MWException->report()
#16 /var/www/mediawiki-1.7.1/includes/Exception.php(179): wfReportException(Object(DBQueryError))
#17 [internal function]: wfExceptionHandler(Object(DBQueryError))
#18 {main}