ID:11917 Cannot use ALTMULT_ACCUM wrapper with <name> device family

CAUSE: You tried to use ALTMULT_ACCUM as top level entity with the specified device family. However, ALTMULT_ACCUM wrapper file is not supported for the specified device family. This warning usually occurs when you instantiate a megafunction directly in a text file rather than using the MegaWizard Plug-In Manager .

ACTION: Please use the ALTERA_MULT_ADD as the top level entity. To avoid receiving this message in the future, Intel recommends using the MegaWizard Plug-In Manager.