30% contribution double up

I’m using my 2024 TurboTax pro. I have current year cash contributions, current year 30% contributions and carryover 30% contributions. My cash contributions are less than 50% allowing 30% to be taken. The total should not exceed 50%. However the program is allowing me the current year 30% equal to the difference between cash and 50% (remainder carrying over to 2025). That is correct. But it is also allowing carryover from 2023 of 30% equal to the same amount. The combination of the 3 exceeding 50%. That is not correct.

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