MediaWiki internal error.

Original exception: exception 'DBQueryError' with message 'A database error has occurred
Query: INSERT IGNORE INTO `mw_objectcache` (keyname,value,exptime) VALUES ('wikidb-mw_:messages:Printableversion','+24R\n(+ILIU(K-*S\0','20140419052401')
Function: MediaWikiBagOStuff::_doinsert
Error: 1053 Server shutdown in progress (wiki.monticello.org)
' in /home/domains/wiki.monticello.org/docs/mediawiki/includes/Database.php:708
Stack trace:
#0 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Database.php(665): Database->reportQueryError('Server shutdown...', 1053, 'INSERT IGNORE I...', 'MediaWikiBagOSt...', false)
#1 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Database.php(1277): Database->query('INSERT IGNORE I...', 'MediaWikiBagOSt...')
#2 /home/domains/wiki.monticello.org/docs/mediawiki/includes/BagOStuff.php(401): Database->insert('`mw_objectcache...', Array, 'MediaWikiBagOSt...', Array)
#3 /home/domains/wiki.monticello.org/docs/mediawiki/includes/BagOStuff.php(272): MediaWikiBagOStuff->_doinsert('`mw_objectcache...', Array)
#4 /home/domains/wiki.monticello.org/docs/mediawiki/includes/MessageCache.php(568): SqlBagOStuff->set('wikidb-mw_:mess...', 'Printable versi...', 86400)
#5 /home/domains/wiki.monticello.org/docs/mediawiki/includes/MessageCache.php(457): MessageCache->getMsgFromNamespace('Printableversio...')
#6 /home/domains/wiki.monticello.org/docs/mediawiki/includes/GlobalFunctions.php(420): MessageCache->get('printableversio...', true, false)
#7 /home/domains/wiki.monticello.org/docs/mediawiki/includes/GlobalFunctions.php(379): wfMsgGetKey('printableversio...', true, false, true)
#8 /home/domains/wiki.monticello.org/docs/mediawiki/includes/GlobalFunctions.php(286): wfMsgReal('printableversio...', Array, true)
#9 /home/domains/wiki.monticello.org/docs/mediawiki/includes/SkinTemplate.php(823): wfMsg('printableversio...')
#10 /home/domains/wiki.monticello.org/docs/mediawiki/includes/SkinTemplate.php(441): SkinTemplate->buildNavUrls()
#11 /home/domains/wiki.monticello.org/docs/mediawiki/includes/OutputPage.php(643): SkinTemplate->outputPage(Object(OutputPage))
#12 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Wiki.php(282): OutputPage->output()
#13 /home/domains/wiki.monticello.org/docs/mediawiki/index.php(48): MediaWiki->finalCleanup(Array, Object(LoadBalancer), Object(OutputPage))
#14 {main}

Exception caught inside exception handler: exception 'DBUnexpectedError' with message 'Error in fetchObject(): MySQL server has gone away (wiki.monticello.org)' in /home/domains/wiki.monticello.org/docs/mediawiki/includes/Database.php:825
Stack trace:
#0 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Database.php(2088): Database->fetchObject(false)
#1 /home/domains/wiki.monticello.org/docs/mediawiki/includes/LinkBatch.php(90): ResultWrapper->fetchObject()
#2 /home/domains/wiki.monticello.org/docs/mediawiki/includes/LinkBatch.php(69): LinkBatch->executeInto(Object(LinkCache))
#3 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Skin.php(202): LinkBatch->execute()
#4 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Skin.php(181): Skin->preloadExistence()
#5 /home/domains/wiki.monticello.org/docs/mediawiki/includes/SkinTemplate.php(106): Skin->initPage(Object(OutputPage))
#6 /home/domains/wiki.monticello.org/docs/mediawiki/skins/kindofblue.php(30): SkinTemplate->initPage(Object(OutputPage))
#7 /home/domains/wiki.monticello.org/docs/mediawiki/includes/SkinTemplate.php(153): Skinkindofblue->initPage(Object(OutputPage))
#8 /home/domains/wiki.monticello.org/docs/mediawiki/includes/OutputPage.php(643): SkinTemplate->outputPage(Object(OutputPage))
#9 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Exception.php(74): OutputPage->output()
#10 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Exception.php(95): MWException->reportHTML()
#11 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Exception.php(171): MWException->report()
#12 /home/domains/wiki.monticello.org/docs/mediawiki/includes/Exception.php(205): wfReportException(Object(DBQueryError))
#13 [internal function]: wfExceptionHandler(Object(DBQueryError))
#14 {main}