Proxy to Soap scenario while triggering getting these Error "during XML => ABAP conversion: ...

Hi Experts ,

  My scenario is proxy to SOAP ,Where request is going to web service and we are getting response  successful but some specific  users numbers we are getting below error with successful response proxy  .

Below is the error .

Error during XML => ABAP conversion: Response Message; CX_ST_DESERIALIZATION_ERROR in /1SAI/SAS0446CC11CC6EC1AD4789 Line 24 An error occurred when deserializing in the simple transformation program /1SAI/SAS0446CC11CC6EC1AD4789 (Character set conversion f.

We getting this error only  for some specific user numbers and we used same user  number quality its not getting any error .Its only happening in Production system.

Please help us to solve the issue.

Regards

Ravi.

Message was edited by: Jason Lax > Shortened title to accommodate responses.