We don’t have sufficient information to reset your security questions. What is this?????

If you get a message about 'not sufficient information', you will not be able to reset your security questions. Realize that several years ago Apple transitioned to using to two factor authentication instead of security questions and has been encouraging users to switch to the newer security system. Your next recourse will be try to change to two factor authentication as outlined in this article --> Two-factor authentication for Apple ID - Apple Support Follow the instructions in the section "Turn on two-factor authentication for your Apple ID"

If you still have problems then contact Apple for help with Apple ID account security using the information in this document --> Contact Apple for help with Apple ID account security - Apple Support