title: System.ServiceModel.FaultException: Server was unable to process request. ---> ... with key 0 was not found
body: <p>I have a simple service (C# web service) that accepts an integer and returns an integer, i have tested it using Storm it is working properly. </p>
  
  <p>Now i am calling this service in a for loop in a file with around 2000 records approx, this service is failing giving the above error with some records. If i run the error file it goes through as if nothing was wrong, what might be the problem please help.</p>