Security questions
Why will it not allow me to reset my security questions?
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If you are getting a not enough information error message, contact Apple ID Support.
If the steps in the article below don’t work, contact Apple ID Support, although I’m not sure they will be able to help.
Apple ID - If you forgot the answers to your Apple ID security questions
From the article below.
Without proof of your identity via security questions and other carefully selected criteria, Apple Support can't help you reset a password or perform any other actions on your account. These policies are audited and reviewed on a regular basis.
Apple Support by e-mail or chat Work through the screens to get a chat option.
Or fill out and submit this form. The form is for iTunes, but it will get passed to the ID Support section.