ID:11831 Cannot connect <name> port when the NUMBER_OF_MULTIPLIERS parameter has a value of <number>. The value must be greater than or equal to 2.

CAUSE: The specified parameter value is illegal. This error occurs when you instantiate a megafunction directly in a text file.

ACTION: Use the MegaWizard Plug-In Manager to regenerate the ALTERA_MULT_ADD megafunction with a legal parameter value.