ID:84035 Function <name> in accumulator is not supported in device family <name>. Please use chainout rounding.

CAUSE: You specified a output round mode of the altmult_add megafunction. However, you cannot use the specified function with the specified device family. This error usually occurs when you instantiate a megafunction directly in a text file rather than using the MegaWizard Plug-In Manager .

ACTION: Chainout round will give you similar function. To avoid receiving this message in the future, Intel recommends using the MegaWizard Plug-In Manager.