ID:11813 Cannot use output port <name> of the ALTERA_MULT_ADD megafunction with the <name> device family.

CAUSE: You specified an output port of the ALTERA_MULT_ADD megafunction; however, you cannot use the specified output port with the specified device family. This error occurs when you instantiate a megafunction directly in a text file.

ACTION: Use the MegaWizard Plug-In Manager .