Why do I get this error when targeting a Stratix device: "Can't edit selected assignment LAB=LAB_X1_Y3 with the Assignment Organizer dialog box -- assignment type not supported for specified device"? - Why do I get this error when targeting a Stratix device: "Can't edit selected assignment LAB=LAB_X1_Y3 with the Assignment Organizer dialog box -- assignment type not supported for specified device"? Description You can only edit Stratix device pin and region assignments in the Quartus ® II software Assignment Organizer. Create all other location assignments in the Quartus II Floorplanner. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']