Why do I get a fatal error when running the quartus_drc executable? - Why do I get a fatal error when running the quartus_drc executable? Description Due to a problem in the Intel® Quartus® Prime Standard Edition software version 20.1 and later, you may see a fatal error when running the quartus_drc executable with the --rtl=on switch. Resolution To work around this problem, do not use the --rtl=on switch. Custom Fields values: ['novalue'] Troubleshooting 18017631576 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Standard'] novalue 20.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']