Business & farm

I got a 1099-K from Ticketmaster for tickets that I sold.  Several of the transactions were sales at a loss.

According to IRS instructions, I believe I need to put the gross proceeds in Schedule 1 on line 8z with the notation "Personal items sold at a loss."  Then I need to put a similar amount and notation on line 24z to zero out the gross proceeds.  I can find a way to put the amount and notation on line 8z using a quickzoom to a smart worksheet. I can't find a similar quickzoom for line 24z and TurboTax won't let me enter it directly in Schedule 1.

It says line 24z is automatically populated, but I can't find from where it is populated for the 1099-K.