There's a glitch on the "Retirement Savings Contribution Credit" page. It says "undefined" instead of my name if I say I'm a student, and doesn't recognize my contributi

A full-time student is ineligible for this credit and TurboTax should automatically be removing Form 8880 from your tax return when you indicate that you are a full-time student.  If Form 8880 is not being removed automatically, you can manually delete it (as long as you do not qualify for this credit).  To delete a form in online TurboTax, click Tools -> Tax Tools -> Delete a form.