Lacerte DiagnosticsModeratorForum|Forum|5 years agoNovember 20, 202010322Forum|Forum|5 years agoNovember 20, 20200 replies6 viewsThe following diagnostic is generating: The Form 8949, Sales and Other Dispositions of Capital Assets or its acceptable substitute must be attached to the Form 8453 or be included with the return as PDF in place of mailing with the 8453. Solution: Help Article FederalIndividual