<?xml version="1.0"?>
<api>
  <error code="internal_api_error_DBConnectionError" info="Exception Caught: DB connection error: Too many connections (mariadb)" xml:space="preserve">

#0 /app/includes/db/LoadBalancer.php(749): DatabaseBase->reportConnectionError('Unknown error (...')
#1 /app/includes/db/LoadBalancer.php(509): LoadBalancer->reportConnectionError(Object(DatabaseMysql))
#2 /app/includes/GlobalFunctions.php(3429): LoadBalancer->getConnection(-1, Array, false)
#3 /app/includes/ChangeTags.php(266): wfGetDB(-1)
#4 /app/includes/api/ApiFeedContributions.php(164): ChangeTags::listDefinedTags()
#5 /app/includes/api/ApiBase.php(571): ApiFeedContributions->getAllowedParams()
#6 /app/includes/api/ApiBase.php(667): ApiBase->getFinalParams()
#7 /app/includes/api/ApiMain.php(691): ApiBase->extractRequestParams()
#8 /app/includes/api/ApiMain.php(800): ApiMain->setupModule()
#9 /app/includes/api/ApiMain.php(369): ApiMain->executeAction()
#10 /app/includes/api/ApiMain.php(347): ApiMain->executeActionWithErrorHandling()
#11 /app/api.php(77): ApiMain->execute()
#12 {main}

</error>
</api>