Critical Warning: parameter 'invalid_code_flag_only' of instance '...|av_hssi_8g_rx_pcs_rbc' has illegal value '<auto_single>' assigned to it. - Critical Warning: parameter 'invalid_code_flag_only' of instance '...|av_hssi_8g_rx_pcs_rbc' has illegal value '<auto_single>' assigned to it. Description You may see the following synthesis message when implementing the Arria® V Hard IP for PCI® Express in Quartus® II software versions 13.1 and earlier. Info (10648): Verilog HDL Display System Task info at av_hssi_8g_rx_pcs_rbc.sv(1059): Critical Warning: parameter 'invalid_code_flag_only' of instance '...|av_hssi_8g_rx_pcs_rbc' has illegal value '<auto_single>' assigned to it. Valid parameter values are: '(dis_invalid_code_only,en_invalid_code_only)'. Using value 'dis_invalid_code_only' Resolution This warning can be safely ignored. This problem is fixed starting with the Intel® Quartus® Prime Standard Edition Software version 14.0. Custom Fields values: ['novalue'] Troubleshooting 2205812081 False ['Arria® V Hard IP for PCI Express IP'] ['FPGA Dev Tools Quartus II Software'] 14.0 13.1 ['Arria® V GT FPGA', 'Arria® V GX FPGA', 'Arria® V GZ FPGA', 'Arria® V ST FPGA', 'Arria® V SX FPGA'] ['novalue'] ['novalue'] ['novalue']