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I get a message that my e-mail address is already in use when trying to set up sync account

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kenmtsn
kenmtsn
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I wanted to change my sync account to use my new e-mail address and I get the message that my e-mail address is invalid and already in use.

How can I proceed?

I wanted to change my sync account to use my new e-mail address and I get the message that my e-mail address is invalid and already in use. How can I proceed?

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Siber
Siber
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Same problem, even tried a password reset. But no join