File-RFC_File Scenario - single message got processed twice.

Hi all,
I have a file-RFC-File scenario in which the reponse from ECC is written using adapter modules.Today one message got processed twice into SAP.When i checked FIle Receiver adapter in CC monitoring i could see the error given below:
2010-11-16 08:47:37 Success Using connection File_http://sap.com/xi/XI/System. Trying to put the message into the receive queue.
2010-11-16 08:47:37 Success The XI response message for message 0fb0e660-f130-11df-a03d-00212816ab84(INBOUND) was successfully returned to the calling application.
2010-11-16 08:47:37 Success The message status set to DLVD.
2010-11-16 08:47:37 Success ROB: entering ResponseOnewayBean
2010-11-16 08:47:37 Success ROB: resuming the transaction
2010-11-16 08:47:37 Success ROB: calling the module processor ...
2010-11-16 08:47:37 Success MP: Entering module processor
2010-11-16 08:47:37 Success MP: Processing local module localejbs/CallSapAdapter
2010-11-16 08:47:37 Success File adapter receiver: processing started; QoS required: ExactlyOnce
2010-11-16 08:47:37 Success File adapter receiver channel File_Receiver_XXXX_CC: start processing: party " ", service "XXXX_BUSS"
2010-11-16 08:47:37 Success Connecting to FTP server "XX.XX.X.XXX"
2010-11-16 08:47:37 Success Write to FTP server "XX.XX.X.XXX", directory "/inbound", -> file "XXXResp20101116-084737-629.xml"
2010-11-16 08:47:37 Success Transfer: "BIN" mode, size 273 bytes, character encoding -
*2010-11-16 08:47:37 Error Attempt to process file failed with com.sap.aii.adapter.file.ftp.FTPEx: 550 XI_ftp_0fb0e660-f130-11df-a03d-00212816ab84.tmp: The system cannot find the file specified.
2010-11-16 08:47:37 Error MP: Exception caught with cause com.sap.aii.af.ra.ms.api.RecoverableException: XI_ftp_0fb0e660-f130-11df-a03d-00212816ab84.tmp: The system cannot find the file specified. : com.sap.aii.adapter.file.ftp.FTPEx: 550 XI_ftp_0fb0e660-f130-11df-a03d-00212816ab84.tmp: The system cannot find the file specified.
2010-11-16 08:47:37 Error ROB: error during processing: com.sap.aii.af.mp.module.ModuleException caused by: com.sap.aii.af.ra.ms.api.RecoverableException: XI_ftp_0fb0e660-f130-11df-a03d-00212816ab84.tmp: The system cannot find the file specified. : com.sap.aii.adapter.file.ftp.FTPEx: 550 XI_ftp_0fb0e660-f130-11df-a03d-00212816ab84.tmp: The system cannot find the file specified. *
The tmp file was picked by the client system and may be that disturbed the entire scenario.But instead of throwing an error how can this reprocess the message from beginning. In SXMB_MONI i can see the pipeline steps executed twice for this message. Since the interface is critical i had to manually delete the replicated data from ECC after taking clients permission which wont be allowed everytime.
Could somepne help me in resolving the issue.
Thanks & Regards,
Lekshmi.

Nisar,
Which program to re-run? Are you talking about activating the channel again? If so, then I have done it many times changing the file name.
I got below error in Communication Channel Monitoring:
2008-02-06 02:27:39 Error Received XI System Error. ErrorCode: MSGGUID_EXISTING ErrorText: ErrorStack: Message ID 83F8B0B0D48311DCA544DA01C52F0606 for pipeline CENTRAL, version already exists in system
2008-02-06 02:27:39 Error Returning synchronous error notification to calling application: com.sap.aii.af.ra.ms.api.DeliveryException: XIServer:MSGGUID_EXISTING:.
2008-02-06 02:27:39 Error Transmitting the message using connection http://xibox:8000/sap/xi/engine?type=entry failed, due to: com.sap.aii.af.ra.ms.api.DeliveryException: XIServer:MSGGUID_EXISTING:.
2008-02-06 02:27:39 Error The message status set to FAIL.
2008-02-06 02:27:39 Error Returning to application. Exception: com.sap.aii.af.ra.ms.api.DeliveryException: XIServer:MSGGUID_EXISTING:
2008-02-06 02:27:39 Error Attempt to process file failed with com.sap.aii.af.ra.ms.api.DeliveryException: XIServer:MSGGUID_EXISTING:
2008-02-06 02:27:39 Error Attempt to process file failed with com.sap.aii.af.service.util.transaction.api.TxManagerException: Unable to roll back transaction: com.sap.engine.services.ts.exceptions.BaseIllegalStateException

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