SOLVED - iTunes Connect - submit first in app product

Hello guys, 

I know that this question may have been asked several times, sorry, but I really can’t find out how can I submit my first app product to the iTunes Connect. The In App Purchase section keep saying something like “Your first in app purchase must be send with a new app version”, but my app is still in development and so it would be rejected.

Where do I have to upload it for approval?

 

Thanks

 

EDIT:

 

I’ve found a solution (you don’t have to submit iAP products if just want to test them).

 

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