I am having a similar problem.
TurboTax 2020 overcalculated the amount of allowable noncash charitable contributions on my 2020 return. It gave me a much higher deduction than is allowed by IRS, so now I must file a 1040x to make the correction. The program is not allowing it.
Can someone contact me to get this fixed. I have uploaded the return information and it can be found under Token # 973439. I don't have a lot of time to blog about this so a call would be prefered. [phone number removed].
Thank you.
