What entry goes on Schedule C, Qualified Business Income Deduction Info, Line K QBI worksheet to report, double click to link ?

[thirdjetta1]

Return complete, this missing entry prevents me from filing.

[dmertz]

Early versions of 2018 TurboTax did not create the link because that section of TurboTax was not fully implemented at the time.  Go back and step through all of the business income sections; you'll probably find new questions there.  Doing so should cause TurboTax to create the link.