The request message contains errors that prevent processing the request

Dear All,

I am getting following error when I am trying to export data to MIM.

Fault Reason: The request message contains errors that prevent processing the request.\r\n\r\nFault Details: <RepresentationFailures xmlns="http://schemas.microsoft.com/2006/11/ResourceManagement" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><AttributeRepresentationFailure><AttributeType>AccountName</AttributeType><AttributeValue></AttributeValue><FailureMessage>Exception: ValueViolatesUniqueness Target(s): \M1090300
Stack Trace: Microsoft.ResourceManagement.WebServices.Exceptions.InvalidRepresentationException: ValueViolatesUniqueness
   at Microsoft.ResourceManagement.Utilities.ExceptionManager.ThrowException(Exception exception)
   at Microsoft.ResourceManagement.Data.Exception.DataAccessExceptionManager.ThrowException(SqlException innerException, TransactionAndConnectionScope scope)
   at Microsoft.ResourceManagement.Data.DataAccess.ProcessRequest(RequestType request)
   at Microsoft.ResourceManagement.ActionProcessor.ActionDispatcher.ProcessInputRequest(RequestType request)
   at Microsoft.ResourceManagement.WebServices.RequestDispatcher.ExecuteAction(RequestType request)
   at Microsoft.ResourceManagement.WebServices.RequestDispatcher.ExecuteAction[ResponseBodyType](RequestType request)
   at Microsoft.ResourceManagement.WebServices.RequestDispatcher.DispatchRequest[ResponseBodyType](RequestType request, Guid requestIdentifier, Object redispatchSingleInstanceKey, Boolean isRedispatch)
   at Microsoft.ResourceManagement.WebServices.RequestDispatcher.DispatchRequest[ResponseBodyType](RequestType request)
   at Microsoft.ResourceManagement.WebServices.ResourceManagementService.Create(Message request)</FailureMessage><AttributeFailureCode>ValueViolatesUniqueness</AttributeFailureCode><AdditionalTextDetails>The specified attribute value must be unique for this Resource Type.</AdditionalTextDetails></AttributeRepresentationFailure><CorrelationId>efffe73f-01b5-4842-82f6-2745b47045b5</CorrelationId></RepresentationFailures>.

Thanks,

Shashidhar