This is error message:
Guideline 2.1 - Information Needed We have started the review of your app, but we are not able to continue because we need additional

[![enter image description here](https://i.stack.imgur.com/pDNml.png)](https://i.stack.imgur.com/pDNml.png)

I don't know why and how to fix it. Any body can help me? Thanks a lot.