Metadata issue

Hi all,

My scenario is idoc to idoc(One SAP is sending data to another SAP through XI as an Idoc). I am getting the following error in sxmb_moni.

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

- <!-- Call Adapter

-->

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

<SAP:Category>XIAdapter</SAP:Category>

<SAP:Code area="IDOC_ADAPTER">ATTRIBUTE_IDOC_METADATA</SAP:Code>

<SAP:P1>Es ist kein Basistyp 'XYZ' bekannt.</SAP:P1>

<SAP:P2 />

<SAP:P3 />

<SAP:P4 />

<SAP:AdditionalText />

<SAP:ApplicationFaultMessage namespace="" />

<SAP:Stack>Fehler: Es ist kein Basistyp 'XYZ' bekannt.</SAP:Stack>

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

</SAP:Error>

Note: The error is in German it like the Basic type is not defined.

Kindly suggest a solution for the same.