The Life time Learning Credit (LLC) is non refundable, it cab only be used to offset a tax liability. Otherwise,
If you are eligible, you have answered something wrong, in the interview. But, a lot of people are just not eligible.
I assume you are a grad and that is why you are not claiming the more generous AOTC.
See Also see this TT support article https://turbotax.intuit.com/tax-tips/college-and-education/what-are-education-tax-credits/L7TuLrVqZ
https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-credits-deductions/education-tax-cre... shorter
https://www.irs.gov/credits-deductions/individuals/education-credits-questions-and-answers
https://www.irs.gov/individuals/llc
