MediaWiki internal error.

Original exception: exception 'DBConnectionError' with message 'DB connection error: Unknown error (localhost)' in /home2/drlwiki/public_html/includes/db/Database.php:421
Stack trace:
#0 /home2/drlwiki/public_html/includes/db/LoadBalancer.php(685): DatabaseBase->reportConnectionError('Unknown error (...')
#1 /home2/drlwiki/public_html/includes/db/LoadBalancer.php(455): LoadBalancer->reportConnectionError(Object(DatabaseMysql))
#2 /home2/drlwiki/public_html/includes/BagOStuff.php(235): LoadBalancer->getConnection(-2)
#3 /home2/drlwiki/public_html/includes/BagOStuff.php(245): SqlBagOStuff->getDB()
#4 /home2/drlwiki/public_html/includes/MessageCache.php(241): SqlBagOStuff->get('drlwiki_db:mess...')
#5 /home2/drlwiki/public_html/includes/MessageCache.php(588): MessageCache->load('en')
#6 /home2/drlwiki/public_html/includes/MessageCache.php(527): MessageCache->getMsgFromNamespace('Recentchangesli...', 'en')
#7 [internal function]: MessageCache->get('recentchangesli...', true, false)
#8 /home2/drlwiki/public_html/includes/StubObject.php(58): call_user_func_array(Array, Array)
#9 /home2/drlwiki/public_html/includes/StubObject.php(76): StubObject->_call('get', Array)
#10 /home2/drlwiki/public_html/includes/GlobalFunctions.php(742): StubObject->__call('get', Array)
#11 /home2/drlwiki/public_html/includes/GlobalFunctions.php(742): StubObject->get('recentchangesli...', true, false)
#12 /home2/drlwiki/public_html/includes/GlobalFunctions.php(707): wfMsgGetKey('recentchangesli...', true, false, true)
#13 /home2/drlwiki/public_html/includes/GlobalFunctions.php(613): wfMsgReal('recentchangesli...', Array, true)
#14 /home2/drlwiki/public_html/includes/SpecialPage.php(826): wfMsg('recentchangesli...')
#15 /home2/drlwiki/public_html/includes/SpecialPage.php(770): SpecialPage->getDescription()
#16 /home2/drlwiki/public_html/includes/specials/SpecialRecentchanges.php(110): SpecialPage->setHeaders()
#17 /home2/drlwiki/public_html/includes/SpecialPage.php(559): SpecialRecentChanges->execute(NULL)
#18 /home2/drlwiki/public_html/includes/Wiki.php(254): SpecialPage::executePath(Object(Title))
#19 /home2/drlwiki/public_html/includes/Wiki.php(64): MediaWiki->handleSpecialCases(Object(Title), Object(OutputPage), Object(WebRequest))
#20 /home2/drlwiki/public_html/index.php(117): MediaWiki->performRequestForTitle(Object(Title), NULL, Object(OutputPage), Object(User), Object(WebRequest))
#21 {main}

Exception caught inside exception handler: exception 'DBQueryError' with message 'A database error has occurred
Query: SELECT lc_value FROM `l10n_cache` WHERE lc_lang = 'en' AND lc_key = 'messages:dberr-problems' LIMIT 1
Function: LCStore_DB::get
Error: 1317 Query execution was interrupted (localhost)
' in /home2/drlwiki/public_html/includes/db/Database.php:576
Stack trace:
#0 /home2/drlwiki/public_html/includes/db/Database.php(538): DatabaseBase->reportQueryError('Query execution...', 1317, 'SELECT lc_valu...', 'LCStore_DB::get', false)
#1 /home2/drlwiki/public_html/includes/db/Database.php(874): DatabaseBase->query('SELECT lc_valu...', 'LCStore_DB::get')
#2 /home2/drlwiki/public_html/includes/db/Database.php(954): DatabaseBase->select('l10n_cache', Array, Array, 'LCStore_DB::get', Array, Array)
#3 /home2/drlwiki/public_html/includes/LocalisationCache.php(763): DatabaseBase->selectRow('l10n_cache', Array, Array, 'LCStore_DB::get')
#4 /home2/drlwiki/public_html/includes/LocalisationCache.php(307): LCStore_DB->get('en', 'messages:dberr-...')
#5 /home2/drlwiki/public_html/includes/LocalisationCache.php(225): LocalisationCache->loadSubitem('en', 'messages', 'dberr-problems')
#6 /home2/drlwiki/public_html/languages/Language.php(1480): LocalisationCache->getSubitem('en', 'messages', 'dberr-problems')
#7 /home2/drlwiki/public_html/includes/db/Database.php(2569): Language->getMessage('dberr-problems')
#8 /home2/drlwiki/public_html/includes/Exception.php(170): DBConnectionError->getHTML()
#9 /home2/drlwiki/public_html/includes/Exception.php(191): MWException->reportHTML()
#10 /home2/drlwiki/public_html/includes/Exception.php(289): MWException->report()
#11 /home2/drlwiki/public_html/includes/Exception.php(348): wfReportException(Object(DBConnectionError))
#12 [internal function]: wfExceptionHandler(Object(DBConnectionError))
#13 {main}