Description
You will see this error if the following general purpose IO LVDS input termination assignment is made to a transceiver pin location:
set_instance_assignment -name INPUT_TERMINATION "DIFFERENTIAL" -to <pin_name>
The Differential termination assignments are for general purpose inputs only.
Resolution
To assign an OCT termination to an LVDS input pin, in a transceiver bank, make the following assignment type:
set_instance_assignment -name INPUT_TERMINATION "OCT 100 OHMS" -to <pin_name>