Reason for app rejection: Guideline 3.0 - Business 

We began our review, but we are unable to continue because we need additional information about your app.

Can you confirm that $--.-- is the intended price of your in-app purchase product, (Product Name)? Additionally, please explain what factors led you to choose this pricing.

What does it mean?

How to resolve it? 

Provide answers to the question/s by replying to Apple's message.

Do I need to generate a new build?

No.