WSO2 APIM remoteuserstore管理器服务引发50978错误

Question

我正在使用WSO2 API Manager 3.1.0。我想使用SOAP API创建用户和角色。我正在使用SOAP UI将SOAP API请求发送到Remoteuserstoremanagerservice。我的请求如下所示。

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对于此请求，我得到的答复是。

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ser="http://service.ws.um.carbon.wso2.org" xmlns:xsd="http://dao.service.ws.um.carbon.wso2.org/xsd">
   <soapenv:Header/>
   <soapenv:Body>
      <ser:addRole>
         <!--Optional:-->
         <ser:roleName>role6</ser:roleName>
         <!--Zero or more repetitions:-->
         <ser:userList>cuser1</ser:userList>
         <!--Zero or more repetitions:-->
         <ser:permissions>
            <!--Optional:-->
            <xsd:action>ui.execute</xsd:action>
            <!--Optional:-->
            <xsd:resourceId>/permission/admin/manage/identity</xsd:resourceId>
         </ser:permissions>
      </ser:addRole>
   </soapenv:Body>
</soapenv:Envelope>

这是什么问题？我遵循了这份文档https://is.docs.wso2.com/en/latest/develop/managing-users-and-roles-with-apis/。