ID:84027 Parameter <name> has illegal value in altmult_add megafunction with port <name>.

CAUSE: The parameter value you specified for the altmult_add megafunction is illegal when the specific port is used. 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.