Rfc Function Working in sap But when test in Saop UI Its given error

Question

Hi Gurus,
I Got One problem in wsdl File. I developed a RFC For Create Reservation. So I passed Material Details in Table For Create Reservation . Sap Side Its Working . But When I test Wsdl File in Saop File I am Getting Error 'Fault String'. I given The Values Parfectly . But What is the Prolem I don't know. Plz Help Me. see the Code with Values.
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:urn="urn:sap-com:document:sap:soap:functions:mc-style">
   <soapenv:Header/>
   <soapenv:Body>
      <urn:RfcCreateReservation>
         <CreatedRsnum>
            <!Zero or more repetitions:>
            <item>
               <Reservationno></Reservationno>
               <Created></Created>
            </item>
         </CreatedRsnum>
         <IssueLocation>P110</IssueLocation>
         <IssuePlant>P100</IssuePlant>
         <MaterialDetails>
            <!Zero or more repetitions:>
            <item>
               <Materialno>191</Materialno>
               <Description>Venu</Description>
               <Quantity>3.0</Quantity>
               <Units>EA</Units>
            </item>
         </MaterialDetails>
         <ReceiveLocation>W210</ReceiveLocation>
         <ReceivePlant>W210</ReceivePlant>
         <Recipient>Gopal</Recipient>
         <ReservationNum>200000</ReservationNum>
      </urn:RfcCreateReservation>
   </soapenv:Body>
</soapenv:Envelope>

Answer 1

The error message is Posting_illegal_statement and yes I did search OSS (I always do that first) but I could not find anything relevant to my error.
Regards,
Davis