ID:18655 There are <number> unused TX channels in the design. If you intend to use any of these channels in the future, you must add the assignment 'set_instance_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON -to <pin_name>' in your QSF file. This assignment will preserve the performance of specified channels over time. Note that unused channel preservation only works if the design uses or instantiates at least 1 transceiver channel.

CAUSE: There are unused TX channels in the design.

ACTION: To preserve the performance of the unused TX channels over time, add the assignment 'set_instance_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON -to <pin_name>' in your QSF file.