Generic error while using create operation on MDM WebService

Hello

I´m trying to create a record on MDM using a standard MDM WebService operation createProducts

When I create a record with everything blank (but not the repository info), it creates perfectly:

    <urn:createProducts>

         <urn:products>

            <urn1:ProductsCreate></urn1:ProductsCreate>

         </urn:products>

         <urn:reposInfo>

            <urn2:dataLang>English </urn2:dataLang>

            <urn2:repositoryName>MY_REPOSITORY</urn2:repositoryName>

            <urn2:serverName>mdmserver</urn2:serverName>

         </urn:reposInfo>

      </urn:createProducts>

However, when I try to add the following code, it doesn´t work:

      <urn:createProducts>

         <urn:products>

            <urn1:ProductsCreate>

               <urn1:eClassClassification>

                  <urn1:displayValue>PDM TEST</urn1:displayValue>

                  <urn1:attributes>

                     <urn1:attribute>

                        <urn1:name>TEST1 TEST123</urn1:name>

                     </urn1:attribute>

                     <urn1:attributeValue>

               <urn1:value>

                        <urn1:value>220,00 MM</urn1:value>

               </urn1:value>

               </urn1:attributeValue>

                  </urn1:attributes>

                </urn1:eClassClassification>

            </urn1:ProductsCreate>

         </urn:products>

         <urn:reposInfo>

            <urn2:dataLang>English </urn2:dataLang>

            <urn2:repositoryName>MY_REPOSITORY</urn2:repositoryName>

            <urn2:serverName>mdmserver</urn2:serverName>

         </urn:reposInfo>

      </urn:createProducts>

I get the return:

     <rpl:createProductsResponse xmlns:rpl="urn:MDMMateriaisVi">

         <rpl:Response xmlns:pns="urn:com.sap.mdm.ws.beans">

            <pns:ExecutionStatus>

               <pns:status>Fault</pns:status>

               <pns:description>Record creation unsuccessful, see the faults list</pns:description>

               <pns:fault>

                  <pns:severity>Error</pns:severity>

                  <pns:id>repository_3001</pns:id>

                  <pns:text>Error executing Records Creation on repository MY_REPOSITORY, error code -5627883, caused by Server error (0xffaa2015)</pns:text>

               </pns:fault>

            </pns:ExecutionStatus>

         </rpl:Response>

      </rpl:createProductsResponse>

All atributes exists on MDM but I still get the error.

Any ideas ?

Thanks