<?xml version="1.0"?>
<api>
  <warnings>
    <expandtemplates xml:space="preserve">Because no values have been specified for the prop parameter, a legacy format has been used for the output. This format is deprecated, and in the future, a default value will be set for the prop parameter, causing the newformat to always be used.</expandtemplates>
  </warnings>
  <error code="internal_api_error_DBConnectionError" info="Exception Caught: DB connection error: No database connection" xml:space="preserve">

#0 /opt/dist/mediawiki/includes/db/LoadBalancer.php(772): DatabaseBase->reportConnectionError('Unknown error (...')
#1 /opt/dist/mediawiki/includes/db/LoadBalancer.php(494): LoadBalancer->reportConnectionError()
#2 /opt/dist/mediawiki/includes/GlobalFunctions.php(3634): LoadBalancer->getConnection(-1, Array, false)
#3 /opt/dist/mediawiki/includes/cache/LocalisationCache.php(1153): wfGetDB(-1)
#4 /opt/dist/mediawiki/includes/cache/LocalisationCache.php(401): LCStoreDB->get('en', 'deps')
#5 /opt/dist/mediawiki/includes/cache/LocalisationCache.php(447): LocalisationCache->isExpired('en')
#6 /opt/dist/mediawiki/includes/cache/LocalisationCache.php(323): LocalisationCache->initLanguage('en')
#7 /opt/dist/mediawiki/includes/cache/LocalisationCache.php(257): LocalisationCache->loadItem('en', 'namespaceNames')
#8 /opt/dist/mediawiki/languages/Language.php(472): LocalisationCache->getItem('en', 'namespaceNames')
#9 /opt/dist/mediawiki/includes/search/SearchEngine.php(353): Language->getNamespaces()
#10 /opt/dist/mediawiki/includes/User.php(1442): SearchEngine::searchableNamespaces()
#11 /opt/dist/mediawiki/includes/User.php(4772): User::getDefaultOptions()
#12 /opt/dist/mediawiki/includes/User.php(2520): User->loadOptions()
#13 /opt/dist/mediawiki/includes/context/RequestContext.php(311): User->getOption('language')
#14 /opt/dist/mediawiki/includes/context/DerivativeContext.php(265): RequestContext->getLanguage()
#15 /opt/dist/mediawiki/includes/parser/ParserOptions.php(610): DerivativeContext->getLanguage()
#16 /opt/dist/mediawiki/includes/api/ApiExpandTemplates.php(65): ParserOptions::newFromContext(Object(DerivativeContext))
#17 /opt/dist/mediawiki/includes/api/ApiMain.php(932): ApiExpandTemplates->execute()
#18 /opt/dist/mediawiki/includes/api/ApiMain.php(364): ApiMain->executeAction()
#19 /opt/dist/mediawiki/includes/api/ApiMain.php(335): ApiMain->executeActionWithErrorHandling()
#20 /opt/dist/mediawiki/api.php(85): ApiMain->execute()
#21 {main}

</error>
</api>