Get Country Service Error "Data 'CountryParams' not found" in Sap B1

Hello Experts,

I'm getting below error while using the Country service.

-1005  - Data 'CountryParams' not found

My request and the response as below.

<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">

  <env:Header>

    <SessionID>FF88501B-D8AF-4EA7-9136-2D0B091CD903</SessionID>

  </env:Header>

  <env:Body>

    <dis:GetCountry xmlns:dis="http://www.sap.com/SBO/DIS">

      <Service>CountriesService</Service>

      <CountryParams>

        <Code>GB</Code>

      </CountryParams>

    </dis:GetCountry>

  </env:Body>

</env:Envelope>

<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">

  <env:Body>

    <env:Fault>

      <env:Code>

        <env:Value>env:Sender</env:Value>

        <env:Subcode>

          <env:Value>-1005</env:Value>

        </env:Subcode>

      </env:Code>

      <env:Reason>

        <env:Text xml:lang="en">Data 'CountryParams' not found</env:Text>

      </env:Reason>

      <env:Detail>

        <Service>CountriesService</Service>

        <Command>GetCountry</Command>

        <SessionID>FF88501B-D8AF-4EA7-9136-2D0B091CD903</SessionID>

      </env:Detail>

    </env:Fault>

  </env:Body>

</env:Envelope>

My SAP B1 version is 9.1 (9.10.200) PL 10 32 bit.

Thank You.