ID:21972 ECO: Cannot find WYSIWYG port <port name> on the placed node <node name>. To introduce a new signal to a FF or a LUT, unplace it with unplace_node first, make the connections, then place it with place_node.

CAUSE: The node does not have the specified input port.

ACTION: Ensure that the FF or LUT is unplaced first, make connections, and recompile the ECO.