ID:176250 Ignoring invalid fast I/O register assignments. See the Ignored Assignments panel in the Fitter Compilation Report for more information.

CAUSE: You turned on the Fast Input Register , the Fast Output Register , and/or the Fast Output Enable Register option for nodes that cannot be packed by the Fitter as fast I/O registers. The Fitter considers fast I/O register assignments only for nodes that are registers with a direct connection to I/Os or nodes that are I/Os that have a direct connection to registers.

ACTION: Remove the invalid assignments to avoid receiving this message in the future.