Application Loader报告缺less代码签名证书

I am developing my App in xamarin studio. I want the solution for xamarin Ios app not on xcode. I produce screenshots about my issue.please give me the right solution. 

我正在创build分发configuration文件，如下所示

 And finally Signing Identity is in Developer(Automatic),everything will be fine and app deploying on device but when uploading to the application loader i am getting below error: 

 Signing Identity is in Developer(Automatic) then i am getting the below error: 

 How Can I Solve This?Please help me.