Soap 메서드를 호출하려고 할 때 "웹 서비스 메서드 이름이 잘못되었습니다."

[SoapRpcMethod("urn:zola2/getStatus", RequestNamespace = "urn:zola2", ResponseNamespace = "urn:zola2")]
[return: SoapElement("Result")]
public string GetStatus()
{
    object[] results = this.Invoke("getStatus", Enumerable.Empty<object>().ToArray());
    return ((string)(results[0]));
}

<operation name="getStatus">
 <documentation>Gets status</documentation>
 <input message="tns:getStatusRequest"/>
 <output message="tns:getStatusResponse"/>
</operation> 

[SoapRpcMethod("urn:zola2/getStatus", RequestNamespace = "urn:zola2", ResponseNamespace = "urn:zola2")]
[return: SoapElement("Result")]
public string getStatus()
{
    object[] results = this.Invoke("getStatus", Enumerable.Empty<object>().ToArray());
    return ((string)(results[0]));
}