File to RFC Scenario receiver channel error message exception

Hello All

I am trying working on FIle to RFC scenario.

i configured sender and receiver channel .

sender channel running successfully but receiver channel shows message processing failed.when i checked message log i got following errors.

here i attached screen shot .

"Mapping "http://Vendor_BAPI/OM_VendorRFC" failed to execute: MappingException: Runtime Exception when executing application mapping program com/sap/xi/tf/_MM_VendorRFC_; Details: com.sap.aii.mappingtool.tf7.IllegalInstanceException; Cannot create target element /ns1:ZVENDOR_CREATE/CITY. Values missing in queue context. Target XSD requires a value for this element, but the target-field mapping does not create one. Check whether the XML instance is valid for the source XSD, and whether the target-field mapping fulfils the requirement of the target XSD".

"Transmitting the message to endpoint <local> using connection File_http://sap.com/xi/XI/System failed, due to: com.sap.aii.af.service.mapping.MappingException: Runtime Exception when executing application mapping program com/sap/xi/tf/_MM_VendorRFC_; Details: com.sap.aii.mappingtool.tf7.IllegalInstanceException; Cannot create target element /ns1:ZVENDOR_CREATE/CITY. Values missing in queue context. Target XSD requires a value for this element, but the target-field mapping does not create one. Check whether the XML instance is valid for the source XSD, and whether the target-field mapping fulfils the requirement of the target XSD"

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