| 400 | ApiUser.Not.Exists | The specified user does not exist. | The specified user does not exist. | diagnosis |
| 400 | User.Not.WorkspaceAdmin | Only administrators of the group workspace can perform this operation. | Only administrators of the group workspace can perform this operation. | diagnosis |
| 400 | UserInfo.Error | The personal information is invalid. | The personal information is invalid. | diagnosis |
| 400 | Application.Object.NotExist | The object you are operating does not exist or has been deleted. | - | diagnosis |
| 400 | Not.ApiCall.AuthUser | You are not an administrator or API call auth user of this organization. | Not an organization administrator or API call authorized user. | diagnosis |
| 400 | System.Param.Empty | You must specify the %s parameter. | You must specify the %s parameter. | diagnosis |
| 400 | Invalid.Param.Error | The parameter is invalid. | The parameter is invalid. | diagnosis |
| 400 | Invalid.Parameter.Error | The parameter is invalid:%s. | invalid parameter: ${0}. | diagnosis |
| 400 | Invalid.Parameter | An error occurred while verifying parameters. | An error occurred while verifying parameters. | diagnosis |
| 400 | Invalid.User.Admin | You are not an administrator of this organization. | Only organization administrators can perform this operation. | diagnosis |
| 400 | Ram.AuthCheck.Error | RAM auth check failed, and the current API can not be called. | RAM auth check failed, and the current API can not be called. | diagnosis |
| 400 | Invalid.Organization | The specified organizational unit does not exist. | The specified organizational unit does not exist. | diagnosis |
| 400 | Access.Forbidden | Your instance version or access key is not allowed to call the API operation, only professional version supports calling. | Your instance version or access key is not allowed to call the API operation, only professional version supports calling. | diagnosis |
| 400 | User.Not.In.Organization | The specified user is not in the organizational unit. | The specified user is not in the organizational unit. | diagnosis |
| 400 | Instance.Not.Exist | The specified instance does not exist. | The specified instance does not exist. | diagnosis |
| 400 | Instance.Expired | Your instance has expired. | Your instance has expired. | diagnosis |