You always owe your own correct tax, no matter what that is. TurboTax guarantees accurate calculations, and if TurboTax makes a calculation mistake, the TurboTax accuracy guarantee will pay any interest and penalties, but you still owe whatever tax you owe. TurboTax is not responsible if you make a mistake when entering your information. To make a claim on the accuracy, guarantee, see this link.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-account-billing/submit-claim-turbotax-100-accurate-calculation-100/L88SYklBL_US_en_US
If your original Indiana tax return was incorrect, all you have to do to fix the problem is to file an amended return. This previous TT Q&A explains how to do that: