I had to change my Apple ID password because my account was locked. When I try to do this on Apple's website I get an "unknown error":
which doesn't allow me to proceed.
How can I resolve this?
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Sign up to join this communityThis looks like a problem only Apple can solve. You can contact Apple Support through https://getsupport.apple.com/, it may need some patience to navigate through the structure there til you get to a phone/email contact.