ID:84043 <name> mode must have at least one register in the path with <name> device family

CAUSE: You select the specific mode of the altmult_add megafunction and no register in the path; however, you cannot use the specified mode without register. This error usually occurs when you instantiate a megafunction directly in a text file rather than using the MegaWizard Plug-In Manager .

ACTION: To avoid receiving this message in the future, Intel recommends using the MegaWizard Plug-In Manager.