<?xml version="1.0"?>
<api>
  <error code="internal_api_error_DBConnectionError" info="Exception Caught: DB connection error: Only one usage of each socket address (protocol/network address/port) is normally permitted.&#13;&#10; ()" xml:space="preserve">

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

</error>
</api>