Business & farm

That refers to not being able to deduct a loss on a business venture to the extent you don't have money "at risk" in the business. In other words, you can't deduct more in losses from your investment in a business than what you put into it. 

If that doesn't apply to you, edit your business entries and on the screen that says Your Business, use the Special Situations option under Final Details to bring up the screen that says Do you have any of these other business situations? If the box is checked that says you have at risk losses carried over from the previous year, proceed to the next screen where you can enter $0 for the carryover amount: