MediaWiki internal error.

Original exception: [augLoMqu7lUhuTk4Xd2eMwAAAPE] /wiki/Estat%C3%ADsticas_no_Campeonato_Brasileiro Wikimedia\Rdbms\DBQueryDisconnectedError: A database query error has occurred. Did you forget to run your application's database schema updater after upgrading or after adding a new extension?

Please see https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Upgrading and https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:How_to_debug for more information.

A connection error occurred during a query.
Query: SELECT s_id,p.smw_title AS `prop`,o_serialized AS `v0`,o_sortkey AS `v2` FROM `gremi736_smw_di_number` `smw_di_number` JOIN `gremi736_smw_object_ids` `p` ON ((p_id=p.smw_id)) WHERE p_id = '552' AND s_id IN (16878,17153,16765,12673,16239,16726,19563,13266,16431,16402,16480,17480,16193,247972,15067,14978,16179,19851,16810,16304,17192,17020,17135,18346,19456,15459,17702,16238,95268,16882,17455,17142,17245,13449,16481,204422,17043,19700,16197,17662,17543,16808,16656,17739,16250,19276,16230,16711,16974,17576,16548,16720,13876,16583,16704,17124,19468,16934,19565,17529,16713,16584,18205,17424,16733,16254,17035,17640,16789,17112,16794,16463,16393,17194,17067,16850,16969,16310,17736,17703,16360,17173,17019,16929,17730,17726,15142,17227,17483,17779,17434,19690,16985,16821,18317,16638,16327,189309,16429,17301,1732674,16268,17108,16853,16369,17196,18250,16922,16924,15405,17204,17758,16432,16248,17203,16971,16349,19484,17675,15031,19722,17410,16875,16886,16707,17729,185824,17634,17661,19819,19657,16535,16264,17492,16186,16245,16308,15646,1732632,12679,16442,19605,17516,16379,17524,17747,18324,19325,134713,17237,16815,14829,17364,16228,15814,18409,14947,16652,16902,15296,15731,17691,16307,17127,16394,16289,18343,16957,17550,14976,14956,16045,16689,13838,15713,16968,17193,17320,17306,17191,476170,16610,17587,17766,17792,16697,17588,16359,16251,16559,17787,16303,16659,16076,16612,16550,17689,19377,16702,17754,16607,14984,17475,17440,16476,14996,16728,15607,17384,17242,17251,19571,13883,15903,16457,16466,17395,17545,16664,16950,1713257,17515,17537,14987,16288,17033,16382,16235,19862,17089,18393,17022,285679,16823,15134,14982,17260,17731,16273,17373,16749,13861,17246,16299,18293,17784,16265,16260,15674,16337,16651,17249,17427,16398,17645,18234,16531,16443,285692,16279,16371,16317,16365,16021,16647,17540,17624,16958,17177,17775,17458,16301,16356,17477,18190,16406,18066,16565,17049,16858,17145,17770,14969,18069,16451,16368,16503,16898,15048,37462,16910,16715,16445,17682,16355,16721,17188,18025,13355,16276,16939,16246,17527,15680,16870,16203,17598,17860,17678,16814,16338,16350,16837,17863,16275,16286,16699,16322,17629,16596,16515,16315,16825,123297,16211,17310,17325,17631,16249,15169,17528,16149,16587,17558,17186,17522,15570,17533,16237,16797,13339,17526,17066,17389,16287,16255,17248,17414,15714,17250,17417,16297,17386,17411,17407,17069,16644,17230,16890,17002,16191,15779,17113,17238,17233,16387,15354,16745,17083,16649,15993,16421,16786,17090,17076,16574,17064,17087,16408,13525,13528,13546,13532,13541,13522,13533,13547,13542,13578,13548,13526,13531,13545,13536,13639,13614,13617,13646,13621,13634,13631,13627,203873,13629,13636,13644,13633,13344,13761,13705,13703,13763,13722,13765,13730,13715,13731,13725,13728,13711,13701,13714,12699,13824,13800,13812,13817,13833,13796,13818,13819,13799,13803,13821,13813,13801,13797,13815,13828,13832,13825,13804,13820,13860,13829,13886,13929,13905,13894,13888,13906,13907,13930,13931,13927,13890,13910,13889,13895,13891,13903,13898,13908,13896,13909,13933,13928,1713634,14033,14031,12669,14025,14027,14068,14024,14032,14067,14035,14037,14064,14066,14036,14028,316402,14021,14062,14040,14108,14098,14090,13258,14102,14094,14100,14091,458820,14109,14115,14132,14096,14097,14113,14112,14135,14104,14101,14151,14163,14171,14177,14158,14172,14152,14159,14166,14153,14156,14173,14160,14168,14164,14155,14157,14169,14161,14216,14221,14235,14231,14256,14234,14228,14254,14258,14259,14257,14218,14261,14255,14222,14236,14217,14225,12859,14310,14326,14319,14309,14307,14311,14318,14314,14303,14315,14312,14323,14350,12858,14320,14324,14353,14331,14327,14376,14380,14375,14393,14381,14374,14392,14386,14387,14419,14373,14370,14382,14372,14379,14421,14396,14378,14391,14451,14458,14459,14444,14498,14449,14472,14456,14500,14462,14463,14461,14455,14466,14454,14442,14452,14469,14443,14546,14535,14538,14548,14544,14536,14526,14551,14532,14572,14525,14537,14527,14540,14529,14521,14533,14549,14530,16670,16410,16475,16522,17304,16472,17641,17150,17006,16194,17179,17101,17405,17003,17073,16963,15433,17377,17209,14668,14627,14651,14640,14629,14625,14639,14633,14669,14643,14619,14642,14634,14649,14630,14646,14636,14628,14641,13191,13201,13193,13202,13200,13236,13203,13194,13181,13207,13197,13180,13184,13189,13188,13179,13187,13206,13183,13090,13095,13065,13093,13061,13063,13148,13076,13085,13058,13154,13060,13068,13062,13080,13106,13079,13072,13073,11384,11388,11390,11395,11397,11398,11401,11403,11407,11410,11413,11416,11420,11422,11425,11430,20588,20852,21906,31895,33891,35622,37420,95215,127195,151025,166575,186458,190554,200696,201525,204651,210775,213960,215818,218153,225237,226852,490152,495309,522543,621831,626260,631633,638912,663127,672474,677155,693682,695206,701790,704308,718728,720945,722906,724479,725769,992182,1021325,1022071,1023966,1026672,1034584,1038085,1044363,1045457,1053320,1055014,1055263,1080853,1090154,1094586,1098291,1100951,1105043,1106907,1714511,1722254,1723327,1724557,1731183,1738043,1739559,1743169,1745193,1748232,1750759,1751388,1753219,1756072,1756593,1758144,1760643,1766103,1766113,1976017,1976532,2093650,2122702,2140761,2150794,2156333,2162788,2201542,2216203,2246091,2246575,2246687,2256433,2256664,2241849,2258116,2277012,2277133,2890044,2895065,2895216,2899788,2918379,2920530,2923824,2934668,2937145,2940132,2940840,2940917,2941084,2942603,2943830,2983408,2988429,3200886,3271650,3839226,3866280,3868332,3873928,4178673,4187393,4656317,4663713,4664701,4673950,4674306,4674654,4674846,4675080,4675491,4675736,4722943) AND (p.smw_iw != ':smw') AND (p.smw_iw != ':smw-delete')
Function: SMW\SQLStore\EntityStore\SemanticDataLookup::prefetchDataFromTable (for SMW\SQLStore\EntityStore\PrefetchItemLookup::prefetchSemanticData)
Error: 2006 MySQL server has gone away

Backtrace:
from /home/wwgrem/public_html/includes/libs/rdbms/database/Database.php(1196)
#0 /home/wwgrem/public_html/includes/libs/rdbms/database/Database.php(1182): Wikimedia\Rdbms\Database->getQueryException(string, int, string, string)
#1 /home/wwgrem/public_html/includes/libs/rdbms/database/Database.php(1156): Wikimedia\Rdbms\Database->getQueryExceptionAndLog(string, int, string, string)
#2 /home/wwgrem/public_html/includes/libs/rdbms/database/Database.php(647): Wikimedia\Rdbms\Database->reportQueryError(string, int, string, string, bool)
#3 /home/wwgrem/public_html/includes/libs/rdbms/database/Database.php(1345): Wikimedia\Rdbms\Database->query(Wikimedia\Rdbms\Query, string)
#4 /home/wwgrem/public_html/includes/libs/rdbms/database/DBConnRef.php(127): Wikimedia\Rdbms\Database->select(array, array, array, string, array, array)
#5 /home/wwgrem/public_html/includes/libs/rdbms/database/DBConnRef.php(351): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#6 /home/wwgrem/public_html/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(744): Wikimedia\Rdbms\DBConnRef->select(array, array, array, string, array, array)
#7 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/SemanticDataLookup.php(707): Wikimedia\Rdbms\SelectQueryBuilder->fetchResultSet()
#8 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/SemanticDataLookup.php(545): SMW\SQLStore\EntityStore\SemanticDataLookup->fetchFromTable(Wikimedia\Rdbms\SelectQueryBuilder, SMW\SQLStore\PropertyTableDefinition, bool, SMW\RequestOptions, string, array)
#9 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/SemanticDataLookup.php(254): SMW\SQLStore\EntityStore\SemanticDataLookup->fetchSemanticDataFromTableByList(array, string, SMW\SQLStore\PropertyTableDefinition, SMW\RequestOptions)
#10 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/CachingSemanticDataLookup.php(220): SMW\SQLStore\EntityStore\SemanticDataLookup->prefetchDataFromTable(array, SMW\DataItems\Property, SMW\SQLStore\PropertyTableDefinition, SMW\RequestOptions)
#11 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/PrefetchItemLookup.php(99): SMW\SQLStore\EntityStore\CachingSemanticDataLookup->prefetchDataFromTable(array, SMW\DataItems\Property, SMW\SQLStore\PropertyTableDefinition, SMW\RequestOptions)
#12 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/PrefetchItemLookup.php(72): SMW\SQLStore\EntityStore\PrefetchItemLookup->prefetchSemanticData(array, SMW\DataItems\Property, SMW\RequestOptions)
#13 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/SQLStore/EntityStore/PrefetchCache.php(142): SMW\SQLStore\EntityStore\PrefetchItemLookup->getPropertyValues(array, SMW\DataItems\Property, SMW\RequestOptions)
#14 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/Result/ItemFetcher.php(155): SMW\SQLStore\EntityStore\PrefetchCache->prefetch(array, SMW\DataItems\Property, SMW\RequestOptions)
#15 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/Result/FieldItemFinder.php(354): SMW\Query\Result\ItemFetcher->fetch(array, SMW\DataItems\Property, SMW\RequestOptions)
#16 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/Result/FieldItemFinder.php(210): SMW\Query\Result\FieldItemFinder->fetchContent(SMW\DataItems\WikiPage)
#17 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/Result/FieldItemFinder.php(156): SMW\Query\Result\FieldItemFinder->getResultsForProperty(SMW\DataItems\WikiPage)
#18 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/Result/ResultArray.php(304): SMW\Query\Result\FieldItemFinder->findFor(SMW\DataItems\WikiPage)
#19 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/Result/ResultArray.php(137): SMW\Query\Result\ResultArray->loadContent()
#20 /home/wwgrem/public_html/extensions/SemanticResultFormats/src/Math/Math.php(133): SMW\Query\Result\ResultArray->getContent()
#21 /home/wwgrem/public_html/extensions/SemanticResultFormats/src/Math/Math.php(75): SRF\Math\Math->getNumbers(SMW\Query\QueryResult)
#22 /home/wwgrem/public_html/extensions/SemanticResultFormats/src/Math/Math.php(53): SRF\Math\Math->getResultText(SMW\Query\QueryResult, int)
#23 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/ResultPrinters/ResultPrinter.php(331): SRF\Math\Math->buildResult(SMW\Query\QueryResult)
#24 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/Query/QueryProcessor.php(374): SMW\Query\ResultPrinters\ResultPrinter->getResult(SMW\Query\QueryResult, array, int)
#25 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/ParserFunctions/AskParserFunction.php(334): SMW\Query\QueryProcessor::getResultFromQuery(SMW\Query\Query, array, int, int)
#26 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/ParserFunctions/AskParserFunction.php(170): SMW\ParserFunctions\AskParserFunction->doFetchResultsFromFunctionParameters(array, array)
#27 /home/wwgrem/public_html/extensions/SemanticMediaWiki/src/ParserFunctionFactory.php(361): SMW\ParserFunctions\AskParserFunction->parse(array)
#28 /home/wwgrem/public_html/includes/parser/Parser.php(3429): SMW\ParserFunctionFactory->SMW\{closure}(MediaWiki\Parser\Parser, string, string, string, string, string)
#29 /home/wwgrem/public_html/includes/parser/Parser.php(3110): MediaWiki\Parser\Parser->callParserFunction(MediaWiki\Parser\PPTemplateFrame_Hash, string, array)
#30 /home/wwgrem/public_html/includes/parser/PPFrame_Hash.php(280): MediaWiki\Parser\Parser->braceSubstitution(array, MediaWiki\Parser\PPTemplateFrame_Hash)
#31 /home/wwgrem/public_html/includes/parser/Parser.php(3303): MediaWiki\Parser\PPFrame_Hash->expand(MediaWiki\Parser\PPNode_Hash_Tree)
#32 /home/wwgrem/public_html/includes/parser/PPFrame_Hash.php(280): MediaWiki\Parser\Parser->braceSubstitution(array, MediaWiki\Parser\PPFrame_Hash)
#33 /home/wwgrem/public_html/includes/parser/Parser.php(2944): MediaWiki\Parser\PPFrame_Hash->expand(MediaWiki\Parser\PPNode_Hash_Tree, int)
#34 /home/wwgrem/public_html/includes/parser/Parser.php(1592): MediaWiki\Parser\Parser->replaceVariables(string)
#35 /home/wwgrem/public_html/includes/parser/Parser.php(694): MediaWiki\Parser\Parser->internalParse(string)
#36 /home/wwgrem/public_html/includes/content/WikitextContentHandler.php(384): MediaWiki\Parser\Parser->parse(string, MediaWiki\Title\Title, MediaWiki\Parser\ParserOptions, bool, bool, int)
#37 /home/wwgrem/public_html/includes/content/ContentHandler.php(1742): MediaWiki\Content\WikitextContentHandler->fillParserOutput(MediaWiki\Content\WikitextContent, MediaWiki\Content\Renderer\ContentParseParams, MediaWiki\Parser\ParserOutput)
#38 /home/wwgrem/public_html/includes/content/Renderer/ContentRenderer.php(79): MediaWiki\Content\ContentHandler->getParserOutput(MediaWiki\Content\WikitextContent, MediaWiki\Content\Renderer\ContentParseParams)
#39 /home/wwgrem/public_html/includes/Revision/RenderedRevision.php(263): MediaWiki\Content\Renderer\ContentRenderer->getParserOutput(MediaWiki\Content\WikitextContent, MediaWiki\Title\Title, MediaWiki\Revision\RevisionStoreCacheRecord, MediaWiki\Parser\ParserOptions, array)
#40 /home/wwgrem/public_html/includes/Revision/RenderedRevision.php(236): MediaWiki\Revision\RenderedRevision->getSlotParserOutputUncached(MediaWiki\Content\WikitextContent, array)
#41 /home/wwgrem/public_html/includes/Revision/RevisionRenderer.php(240): MediaWiki\Revision\RenderedRevision->getSlotParserOutput(string, array)
#42 /home/wwgrem/public_html/includes/Revision/RevisionRenderer.php(173): MediaWiki\Revision\RevisionRenderer->combineSlotOutput(MediaWiki\Revision\RenderedRevision, MediaWiki\Parser\ParserOptions, array)
#43 [internal function]: MediaWiki\Revision\RevisionRenderer->MediaWiki\Revision\{closure}(MediaWiki\Revision\RenderedRevision, array)
#44 /home/wwgrem/public_html/includes/Revision/RenderedRevision.php(199): call_user_func(Closure, MediaWiki\Revision\RenderedRevision, array)
#45 /home/wwgrem/public_html/includes/poolcounter/PoolWorkArticleView.php(106): MediaWiki\Revision\RenderedRevision->getRevisionParserOutput()
#46 /home/wwgrem/public_html/includes/poolcounter/PoolWorkArticleViewCurrent.php(123): MediaWiki\PoolCounter\PoolWorkArticleView->renderRevision(null, bool, string)
#47 /home/wwgrem/public_html/includes/poolcounter/PoolCounterWork.php(171): MediaWiki\PoolCounter\PoolWorkArticleViewCurrent->doWork()
#48 /home/wwgrem/public_html/includes/page/ParserOutputAccess.php(362): MediaWiki\PoolCounter\PoolCounterWork->execute()
#49 /home/wwgrem/public_html/includes/page/Article.php(827): MediaWiki\Page\ParserOutputAccess->getParserOutput(WikiPage, MediaWiki\Parser\ParserOptions, MediaWiki\Revision\RevisionStoreCacheRecord, int)
#50 /home/wwgrem/public_html/includes/page/Article.php(547): Article->generateContentOutput(MediaWiki\User\User, MediaWiki\Parser\ParserOptions, int, MediaWiki\Output\OutputPage, array)
#51 /home/wwgrem/public_html/includes/actions/ViewAction.php(78): Article->view()
#52 /home/wwgrem/public_html/includes/actions/ActionEntryPoint.php(747): ViewAction->show()
#53 /home/wwgrem/public_html/includes/actions/ActionEntryPoint.php(511): MediaWiki\Actions\ActionEntryPoint->performAction(Article, MediaWiki\Title\Title)
#54 /home/wwgrem/public_html/includes/actions/ActionEntryPoint.php(147): MediaWiki\Actions\ActionEntryPoint->performRequest()
#55 /home/wwgrem/public_html/includes/MediaWikiEntryPoint.php(200): MediaWiki\Actions\ActionEntryPoint->execute()
#56 /home/wwgrem/public_html/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#57 {main}

Exception caught inside exception handler: [augLoMqu7lUhuTk4Xd2eMwAAAPE] /wiki/Estat%C3%ADsticas_no_Campeonato_Brasileiro Wikimedia\Rdbms\DBConnectionError: Cannot access the database: Connection refused (localhost)
Backtrace:
from /home/wwgrem/public_html/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1129)
#0 /home/wwgrem/public_html/includes/libs/rdbms/loadbalancer/LoadBalancer.php(817): Wikimedia\Rdbms\LoadBalancer->reportConnectionError()
#1 /home/wwgrem/public_html/includes/libs/rdbms/loadbalancer/LoadBalancer.php(784): Wikimedia\Rdbms\LoadBalancer->getServerConnection(int, string, int)
#2 /home/wwgrem/public_html/includes/libs/rdbms/database/DBConnRef.php(107): Wikimedia\Rdbms\LoadBalancer->getConnectionInternal(int, array, string, int)
#3 /home/wwgrem/public_html/includes/libs/rdbms/database/DBConnRef.php(125): Wikimedia\Rdbms\DBConnRef->ensureConnection()
#4 /home/wwgrem/public_html/includes/libs/rdbms/database/DBConnRef.php(338): Wikimedia\Rdbms\DBConnRef->__call(string, array)
#5 /home/wwgrem/public_html/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(762): Wikimedia\Rdbms\DBConnRef->selectField(array, string, array, string, array, array)
#6 /home/wwgrem/public_html/includes/language/LCStoreDB.php(65): Wikimedia\Rdbms\SelectQueryBuilder->fetchField()
#7 /home/wwgrem/public_html/includes/language/LocalisationCache.php(540): LCStoreDB->get(string, string)
#8 /home/wwgrem/public_html/includes/language/LocalisationCache.php(404): LocalisationCache->loadSubitem(string, string, string)
#9 /home/wwgrem/public_html/includes/language/LocalisationCache.php(420): LocalisationCache->getSubitem(string, string, string)
#10 /home/wwgrem/public_html/includes/language/MessageCache.php(1267): LocalisationCache->getSubitemWithSource(string, string, string)
#11 /home/wwgrem/public_html/includes/language/MessageCache.php(1209): MessageCache->getMessageForLang(MediaWiki\Language\Language, string, bool, array)
#12 /home/wwgrem/public_html/includes/language/MessageCache.php(1103): MessageCache->getMessageFromFallbackChain(MediaWiki\Language\Language, string, bool)
#13 /home/wwgrem/public_html/includes/Message/Message.php(1554): MessageCache->get(string, bool, MediaWiki\Language\Language, string)
#14 /home/wwgrem/public_html/includes/Message/Message.php(1035): MediaWiki\Message\Message->fetchMessage()
#15 /home/wwgrem/public_html/includes/Message/Message.php(1163): MediaWiki\Message\Message->format(string)
#16 /home/wwgrem/public_html/includes/Output/OutputPage.php(1214): MediaWiki\Message\Message->escaped()
#17 /home/wwgrem/public_html/includes/exception/MWExceptionRenderer.php(181): MediaWiki\Output\OutputPage->setPageTitleMsg(MediaWiki\Message\Message)
#18 /home/wwgrem/public_html/includes/exception/MWExceptionRenderer.php(109): MWExceptionRenderer::reportHTML(Wikimedia\Rdbms\DBQueryDisconnectedError)
#19 /home/wwgrem/public_html/includes/exception/MWExceptionHandler.php(135): MWExceptionRenderer::output(Wikimedia\Rdbms\DBQueryDisconnectedError, int)
#20 /home/wwgrem/public_html/includes/exception/MWExceptionHandler.php(239): MWExceptionHandler::report(Wikimedia\Rdbms\DBQueryDisconnectedError)
#21 /home/wwgrem/public_html/includes/MediaWikiEntryPoint.php(222): MWExceptionHandler::handleException(Wikimedia\Rdbms\DBQueryDisconnectedError, string)
#22 /home/wwgrem/public_html/includes/actions/ActionEntryPoint.php(83): MediaWiki\MediaWikiEntryPoint->handleTopLevelError(Wikimedia\Rdbms\DBQueryDisconnectedError)
#23 /home/wwgrem/public_html/includes/MediaWikiEntryPoint.php(206): MediaWiki\Actions\ActionEntryPoint->handleTopLevelError(Wikimedia\Rdbms\DBQueryDisconnectedError)
#24 /home/wwgrem/public_html/index.php(58): MediaWiki\MediaWikiEntryPoint->run()
#25 {main}