MediaWiki internal error.

Original exception: exception 'DBQueryError' with message 'A database error has occurred
Query: DELETE FROM `wikisum_objectcache` WHERE exptime < '20140418053913'
Function: MediaWikiBagOStuff::_doquery
Error: 2006 MySQL server has gone away (mysql77.secureserver.net)
' in /home/content/a/u/g/aug08/html/abrown/wiki/includes/Database.php:647
Stack trace:
#0 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Database.php(604): Database->reportQueryError('MySQL server ha...', 2006, 'DELETE FROM `wi...', 'MediaWikiBagOSt...', false)
#1 /home/content/a/u/g/aug08/html/abrown/wiki/includes/BagOStuff.php(380): Database->query('DELETE FROM `wi...', 'MediaWikiBagOSt...')
#2 /home/content/a/u/g/aug08/html/abrown/wiki/includes/BagOStuff.php(280): MediaWikiBagOStuff->_doquery('DELETE FROM `wi...')
#3 /home/content/a/u/g/aug08/html/abrown/wiki/includes/BagOStuff.php(329): SqlBagOStuff->_query('DELETE FROM $0 ...')
#4 /home/content/a/u/g/aug08/html/abrown/wiki/includes/BagOStuff.php(321): SqlBagOStuff->expireall()
#5 /home/content/a/u/g/aug08/html/abrown/wiki/includes/BagOStuff.php(224): SqlBagOStuff->garbageCollect()
#6 /home/content/a/u/g/aug08/html/abrown/wiki/includes/MessageCache.php(490): SqlBagOStuff->get('ucsd:messages:B...')
#7 /home/content/a/u/g/aug08/html/abrown/wiki/includes/MessageCache.php(432): MessageCache->getFromCache('Browse by keywo...')
#8 /home/content/a/u/g/aug08/html/abrown/wiki/includes/GlobalFunctions.php(450): MessageCache->get('Browse by keywo...', true, false)
#9 /home/content/a/u/g/aug08/html/abrown/wiki/includes/GlobalFunctions.php(409): wfMsgGetKey('Browse by keywo...', true, false, true)
#10 /home/content/a/u/g/aug08/html/abrown/wiki/includes/GlobalFunctions.php(316): wfMsgReal('Browse by keywo...', Array, true)
#11 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Skin.php(1479): wfMsg('Browse by keywo...')
#12 /home/content/a/u/g/aug08/html/abrown/wiki/includes/SkinTemplate.php(424): Skin->buildSidebar()
#13 /home/content/a/u/g/aug08/html/abrown/wiki/includes/OutputPage.php(594): SkinTemplate->outputPage(Object(OutputPage))
#14 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Wiki.php(250): OutputPage->output()
#15 /home/content/a/u/g/aug08/html/abrown/wiki/index.php(129): MediaWiki->finalCleanup(Array, Object(LoadBalancer), Object(OutputPage))
#16 {main}

Exception caught inside exception handler: exception 'DBUnexpectedError' with message 'Error in fetchObject(): MySQL server has gone away' in /home/content/a/u/g/aug08/html/abrown/wiki/includes/Database.php:764
Stack trace:
#0 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Database.php(1995): Database->fetchObject(false)
#1 /home/content/a/u/g/aug08/html/abrown/wiki/includes/LinkBatch.php(90): ResultWrapper->fetchObject()
#2 /home/content/a/u/g/aug08/html/abrown/wiki/includes/LinkBatch.php(69): LinkBatch->executeInto(Object(LinkCache))
#3 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Skin.php(194): LinkBatch->execute()
#4 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Skin.php(173): Skin->preloadExistence()
#5 /home/content/a/u/g/aug08/html/abrown/wiki/includes/SkinTemplate.php(108): Skin->initPage(Object(OutputPage))
#6 /home/content/a/u/g/aug08/html/abrown/wiki/skins/WikiSummary_static.php(25): SkinTemplate->initPage(Object(OutputPage))
#7 /home/content/a/u/g/aug08/html/abrown/wiki/includes/SkinTemplate.php(155): SkinWikiSummary_static->initPage(Object(OutputPage))
#8 /home/content/a/u/g/aug08/html/abrown/wiki/includes/OutputPage.php(594): SkinTemplate->outputPage(Object(OutputPage))
#9 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Exception.php(53): OutputPage->output()
#10 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Exception.php(70): MWException->reportHTML()
#11 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Exception.php(145): MWException->report()
#12 /home/content/a/u/g/aug08/html/abrown/wiki/includes/Exception.php(179): wfReportException(Object(DBQueryError))
#13 [internal function]: wfExceptionHandler(Object(DBQueryError))
#14 {main}