ID:83002 Parameter error: In altmult_accum megafunction, parameter <name> has illegal clock value <value>

CAUSE: You specified an illegal clock value for the specified parameter of the MegaWizard Plug-In Manager .

ACTION: Change the value of the specified parameter to a legal clock value. To avoid receiving this message in the future, Intel recommends using the MegaWizard Plug-In Manager.