Here's what another user reported regarding this issue, which may be affecting your Minnesota return as well.
"What is happening is that MN has a standard deduction limitation, which means that if your income is over a certain threshold the standard deduction is reduced. TurboTax was doing this calculation for me, and because of that reduction it turns out that my itemized deduction total is slightly higher than the limited standard deduction (by just a few dollars). This means that I am filing Schedule M1SA and thus I can't / don't need to add charitable contributions on Schedule M1M. I confirmed that if I remove some of the charitable contributions, so that itemized total is below the limited standard deduction, that it flows the charitable contributions into Schedule M1M as expected."
@MNtax23
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