In order to omit the message and set your subscription as active, you may change your plan temporary without entering your credit card info. That is, click on the link change, choose Standard plan, and then return back and change it to the Free plan again. After that, you might check https://my.atlassian.com and you'll notice that your subscription is changed from inactive to active.
When using an Atlassian account that is not managed, it’s possible to change the email address, but we often receive the following notification on the email that we want to use: Sorry, we couldn'...
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