Error: (vsim-1) Unable to checkout verification license - testbench generation feature (randomize, randcase, randsequence, covergroup) is only supported with QuestaSim - Error: (vsim-1) Unable to checkout verification license - testbench generation feature (randomize, randcase, randsequence, covergroup) is only supported with QuestaSim Description Due to problem in Quartus® Prime software version 17.0 and earlier, you may see the error mentioned above while running Clock Video Input II or Switch II IP core simulation in ModelSim-Intel FPGA Edition. Resolution There is no workaround for this issue. This problem is fixed beginning with the Quartus Prime software version 17.1 Custom Fields values: ['novalue'] Troubleshooting FB: 477135 489467 491196 491583; False ['Clocked Video Input II (4K Ready) IP', 'Switch II (4K Ready) IP'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 17.1 17.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']