ID:63007 In the altfp_compare megafunction, at least one output port must be used

CAUSE: You specified the altfp_compare megafunction. However, when using the altfp_compare megafunction, you must specify at least one output port. This error usually occurs when you instantiate a megafunction directly in a text file instead of using the MegaWizard Plug-In Manager .

ACTION: Make sure to use at least one output port in the altfp_compare megafunction. To avoid receiving this message in the future, Intel recommends using the MegaWizard Plug-In Manager .