I was having same problem but it seems there is 2 upgrade versions.One is for the digital version and other is for disc version. I bought the digital version on ps3 and was getting same error as you...
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Finally mine has updated to Preparing for shipment.
They charging me $14 for the Two-Day shipping even tho I got an email from them saying it'll only be $7 for it.
Mine was also changed to Launch Edition but I had to upgrade my shipping in order to have it delivered on the 15th.
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