BI Publisher schedule report was not working with siebel

Hi,

We had recently integerated siebel 7.8.2.14 with BI Publishere 10.1.3.4.1  and the report was working fine when we run from front end ,but when we schedule the report we  are geeeting the below error

[121010_054743374][][STATEMENT] Invoke Webservice with SOAP Message = <soap:Envelope xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/'&gt;
      <soap:Body xmlns:ns1='http://siebel.com/BIPData'&gt;
            <ns1:GetReportData_Input>
                  <ns1:NamedSearchSpec>15**All Activities</ns1:NamedSearchSpec>
                  <ns1:LoginID>1-28GJW</ns1:LoginID>
                  <ns1:OutputIntObjectName>28*BIP Accounts - Current Query</ns1:OutputIntObjectName>
                  <ns1:SearchSpec>0*</ns1:SearchSpec>
                  <ns1:ViewMode>9*Sales Rep</ns1:ViewMode>
        </ns1:GetReportData_Input>
    </soap:Body>