SOAP Receiver - HTTP 415 Error

Hi Experts,

I am working on a synchronous scenario PROXY - PI - SOAP, i have used SOAP adapter , while sending a test message from RWB ( Component monitoring -> Integration Engine ->Test Message)

Error While Sending Message: Additional error text from response: com.sap.engine.interfaces.messaging.api.exception.MessagingException: SOAP: response message contains an error XIAdapter/HTTP/ADAPTER.HTTP_EXCEPTION - HTTP 415 Cannot process the message because the content type 'text/xml; charset=utf-8' was not the expected type 'application/soap+xml; charset=utf-8'.

in MONI:

i am able to see the message reached to webservice and while getting response from webservice i am getting above mentioned error

Kindly help me on this to fix this issue.

Thanks,

Baskar