ID:83014 Can't use both <name> and <name> ports in altmult_accum megafunction with <name> device family in DSP block

CAUSE: You specified use of two scan chains of the MegaWizard Plug-In Manager .

ACTION: Use only one scan chain, or use logic cell implementation. To avoid receiving this message in the future, Intel recommends using the MegaWizard Plug-In Manager.