NO_MAPPINGPROGRAM_FOUND error

Hi

I am doing RFC-file scenario.I have cheked all the configuatins and refershed all the cache using TC SXI_CACHE, but still the below error is coming

<SAP:Category>XIServer</SAP:Category>

<SAP:Code area="MAPPING">NO_MAPPINGPROGRAM_FOUND</SAP:Code>

<SAP:P1>urn:ncrpos01 IM_POS_OUTBOUND_S101</SAP:P1>

<SAP:P2 />

<SAP:P3 />

<SAP:P4 />

<SAP:AdditionalText />

<SAP:ApplicationFaultMessage namespace="" />

<SAP:Stack>Interface mapping urn:ncrpos01 IM_POS_OUTBOUND_S101 does not exist in runtime cache</SAP:Stack>

<SAP:Retry>N</SAP:Retry>

Any clues ??

Thanks in advance

Regards

Swatantra