Error: set_port_property sets an illegal FRAGMENT_LIST for port unused_rx_parallel_data - Error: set_port_property sets an illegal FRAGMENT_LIST for port unused_rx_parallel_data Description Due to a problem in Intel® Quartus® II software version 13.1 update 3, you may see this error when using an Arria® V device Transceiver Native PHY instance with the “Enable simplified data interface" option selected and using the Rate Match FIFO and 8b10b encoder/decoder. Resolution To work around this problem, install the Intel® Quartus® II software version 13.1 Update 4 and then download and install patch 4.07 from the links below. Download the version 13.1 Update 4 patch 4.07 for Windows (.exe) Download the version 13.1 Update 4 patch 4.07 for Linux (.run) Download the Readme file for the Quartus II software version 13.1 Update 4 patch 4.07 (.txt) This problem is fixed starting with the Intel® Quartus® II software version 14.0. Custom Fields values: ['novalue'] Troubleshooting 1408052752 False ['novalue'] ['FPGA Dev Tools Quartus II Software'] 14.0 13.1 ['Arria® V GX FPGA'] ['novalue'] ['novalue'] ['novalue']