Purchase Order Response in SRM 4.0 from R/3 through XI

Hello Friends

Iam sending Purchase Order Response from R/3 to SRM through XI using XI Adapter. The message could be seen in SXMB_MONI of SRM with a Red Flag. It gives me the error:

<b><?xml version="1.0" encoding="UTF-8" standalone="yes" ?>

- <!-- Call Inbound Proxy

-->

- http://sap.com/xi/XI/Message/30" xmlns:SOAP=" http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">

<SAP:Category>XIProxy</SAP:Category>

<SAP:Code area="ABAP">PARSE_APPLICATION_DATA</SAP:Code>

<SAP:P1 />

<SAP:P2 />

<SAP:P3 />

<SAP:P4 />

<SAP:AdditionalText />

<SAP:ApplicationFaultMessage namespace="" />

<SAP:Stack>Error during XML => ABAP conversion (; error ID: ; ( )) PARSE_APPLICATION_DATA Error during XML => ABAP conversion (Request Message; error ID: CX_ST_DESERIALIZATION_ERROR; (/1SAI/TXS00000000000000000004 XML Bytepos.: 902 XML Path: nr1:PurchaseOrderConfirmation(1)PurchaseOrder(1)Item(6)ActionCode(3) Error Text: Data loss occurred when converting 0010000256nfotech Kernel ErrorId: CONVT_DATA_LOSS)) Error during XML => ABAP conversion (Request Message; error ID: CX_ST_DESERIALIZATION_ERROR; (/1SAI/TXS00000000000000000004 XML Bytepos.: 902 XML Path: nr1:PurchaseOrderConfirmation(1)PurchaseOrder(1)Item(6)ActionCode(3) Error Text: Data loss occurred when converting 0010000256nfotech Kernel ErrorId: CONVT_DATA_LOSS)) An error occurred when deserializing in the simple transformation program /1SAI/TXS00000000000000000004 Data loss occurred when converting 0010000256nfotech</SAP:Stack>

<SAP:Retry>M</SAP:Retry>

</SAP:Error></b>

We did the message mapping and the mapping is executed successfully while testing in XI.

Can anyone please help me out to solve this.

Thank you in Advance..........