Variable Casting Unsupported in ISS - Variable Casting Unsupported in ISS Description Casting variables in the Variables view in the Debug perspective when using the Nios II ISS might cause an exception dialog box to open. This exception might occur if you select Debug as ISS in the Nios II IDE and try to cast variables via the Variables view. Resolution There is no workaround. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']