You have created an individual Apple Developer Account (sole proprietor of your business)?
Then we need the "app-specific password" from you, to successfully submit your app to the Apple App Store. 

It's quite an easy process to create this.
Log in on this page: Your Apple-ID-Account

Within the menu "Safety", click "create password" under "app-specific passwords". 

As a name you can put in "My app".

Now the app-specific password will be displayed. Copy the password and send it via mail to [email protected].

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