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Dear Leader
I am so sorry that it's hard for me to locate your support email. You may reply the mail one more time and then our representative will know that the problem is fixed. Thanks.

Best...

Dear Leader
You will have to make a factory reset to your device and login the correct Game Center ID, or please check and see if you have logged in your Game Center ID on your ipad. Thanks.

Best...

Dear Leader
We've re-linked your account now. You should be able to play your main account again. Thanks.

Best Regards
Betty

Dear Leader
You can login your Game Center in the device settings after iOS 10. If it's still doesn't work. Please give us both your old and new account information so that we can help. Thanks.
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Dear Leader
Please login your Game Center account in the device setting and you will be able to load the game. Thanks.

Best Regards
Betty