K1 Error Box 20

Enter the code Z when you enter the K-1 box 20 screen, but you don't necessarily need to enter an amount here.  Continue on, and you'll find the screen  "We need some more information about your 199A income or loss".  When you check the box next to a category on that screen, a place will open up to enter the amounts from the Statement or STMT that came with your K-1.  The applicable category (or categories) on this screen (and the following "Let's check for some uncommon adjustments" screen, if applicable) must be completed in order for your K-1 QBI information to be correctly input into TurboTax. 

To get back to the K-1 summary screen and find the Schedule K-1 to edit, click the "magnifying glass Search" icon on the top row, enter "k-1" in the search window and press return or enter, and then click on the "Jump to k-1" link to find the K-1 you need to edit.

Here are the "We need some information about your 199A income or loss" and "Let's check for some uncommon adjustments" screens where you enter the information from your K-1 Section 199A Statement/STMT: