Hello everyone,

A few minutes ago I got a problem on my Mac. I got it at the time I was trying to sync my iPhone in iTunes. For arranging the application in line, iPhone as well as iTunes on the Mac should be approved to the same account. Eventually, I always got an error when I am trying to authorized my iTunes account.

What is the problem?

Can anyone share their idea?

Thanks in advance.

Error:

We could not complete your iTunes Store request.

An unknown error occurred (-4).

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