ID:12148 Illegal DQS Frequency setting <name> for DQS I/O pin "<name>"

CAUSE: You either set a frequency in the altdqs megafunction or assigned the specified DQS Frequency logic option setting to the specified DQS I/O pin, but the setting is not a legal setting.

ACTION: If you used the altdqs megafunction, change the frequency setting in the megafunction. Otherwise, change the DQS Frequency logic option setting on the pin.