Apple ID/Profile Photo won't change
I have a current user picture that is also the same as my Apple ID picture. I decided to change it to my memoji picture and first tried simply changing the user profile pic simply with the edit feature. It worked initially as the memoji pic appeared there. Later I shut down my iMac and when I rebooted it the old user pic was there instead. I went back into settings sure enough it had reverted back to my old pic. I then went and changed my Apple ID pic thinking maybe that was the issue. I changed that one to my memoji and then went back to the user picture and changed that one to the memoji as well. I logged out only to find the previous apple ID/User picture on the login screen. I logged back in and check both images and they had reverted to the old. Oddly enough, the Apple ID picture on my iphone had changed to the memoji, it just didn't stick with my iMac. Any thoughts?
iMac 27″, macOS 12.4
> System Preferences, then click Apple ID 
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to select and compose a facial image. Or select one of the displayed Memoji, then select a pose and style you like.