According to Ubisoft, the steps below may also help for error codes 6-0x00001000 and 2-0x0000D0012.
Critically important before you proceed is that I can’t give you a guarantee that these steps will solve your problem for you, just that they’ve helped some people. These steps are also meant for Windows (i.e. PC), but I’ve heard that you can access similar settings on PS4 and Xbox One.
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