SFDC interface error in dx7

Hi All,

I am working SFDC--> XI --->SAP using BPM scenario.

I am facing below SFDC error,If you any one face this type of error please suggest me.

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?> 
- <!-- 
 Request Message Mapping 
  --> 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="1">
  <SAP:Category>Application</SAP:Category> 
  <SAP:Code area="UNKNOWN">APPLICATION_ERROR</SAP:Code> 
  <SAP:P1 /> 
  <SAP:P2 /> 
  <SAP:P3 /> 
  <SAP:P4 /> 
  <SAP:AdditionalText>application fault</SAP:AdditionalText> 
  <SAP:ApplicationFaultMessage namespace="urn:fault.enterprise.soap.sforce.com">LoginFault</SAP:ApplicationFaultMessage> 
  <SAP:Stack /> 
  <SAP:Retry>M</SAP:Retry> 
  </SAP:Error>

Could you please give me responce as soon as possible.

Regards,

Raju