When I try to upload new game build at my new Apple Store account, I was getting this kind of error though I have tried multiple times:

Let me show you TestFlight section of my account:

This is new account, I have created and uploading my first game build.
What to do in this situation?
I have noticed that few failed attempts Apple counted too -- Though uploaded builds not showing in the account but it is not allowing me to upload the same number of build number again. I have tried with Version 1.0(1), Version 1.0(2) and one time Version 1.0(3) get failed because of internet connection lose so at last I got success with Version 1.0(4)
Here is the screenshot of my point:

I hope this reply become useful to other people.
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