Warning(20810): ECO command failed: legalize - Warning(20810): ECO command failed: legalize Description Due to a problem with the Quartus® Prime Pro Edition Software version 25.1 and earlier, you might see the "Warning(20810): ECO command failed: legalize" message when you execute the "Start Recompile" task from Signal Tap. Resolution This message can be misleading, but it doesn't mean the ECO recompilation has failed unless indicated by an error message. You can safely ignore this warning. This problem is scheduled to be fixed in a future release of the Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 14025238613 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 25.1 ['Agilex™ 5 FPGAs and SoCs', 'Agilex™ 7 FPGAs and SoCs', 'Arria® 10 FPGAs and SoCs', 'Cyclone® 10 FPGAs', 'Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']