Why is the rx_ready signal stuck at ‘0’ when the Adaptation mode is set to Manual configuration in the GTS PMA/FEC Direct PHY FPGA IP?

Due to a problem in the Quartus® Prime Pro Edition Software version 24.1, you might see that the rx_ready signal is stuck at ‘0’ when the Adaptation mode is set to Manual configuration in the GTS PMA/FEC Direct PHY FPGA IP under the RX Datapath Options tab. As a result, you will not be able to proceed with the testing in manual adaptation mode. 

This problem is fixed beginning with the Quartus® Prime Pro Edition software version 24.3.