IRA Distribution Rollover Discrepancy

I took an early distribution from my IRA in 2021. When completing my return in Turbotax, I selected that none of the money had been rolled over. I've confirmed that selection in my .tax file and online. However, the return which was filed indicated that over half had been rolled over and the IRS has issued a CP2000 for substantial underpayment of taxes (including a penalty). This appears to be a problem with the Turbotax online software.

 

Who can I contact to discuss. I tried the support line but couldn't find the option for this.

 

DM