Section 179 Carryover

The review of my Federal Taxes complains about the Section 179 carryover on line 24 not equaling the sum of the Section 179 carryovers on individual activities. I don't think this is something I entered. Where is this entered and how do I fix this? It looks like Section 179 is a business deduction. I used to have a business with deductions but removed the business last year.