[Solved] Mulesoft end point Error: You called the function 'Value Selector'

When I test a mulesoft endpoint in postman, I get response as <ns0:Status><ns0:StatusCD>001</ns0:StatusCD><ns0:SatusDesc>"You called the function 'Value Selector' with these arguments: </ns0:SatusDesc></ns0:Status>

is is problem with the service?