Be careful about using the AH workaround. I too had this problem and none of the solutions I saw helped, so I went down the road of changing Z to AH. Fortunately, just before I filed, I finally made it to the end of this thread where I found the Feb 2023 suggestion by @Fred_Fandango. That did the trick for me. I'm sure the AH workaround would have let me file, but I would have missed out on a healthy QBI deduction.
