Error: An unexpected error occurred during Generate: java.lang.IllegalArgumentException: altera_merlin_router: no such parameter: PKT_TRANS_WRITE - Error: An unexpected error occurred during Generate: java.lang.IllegalArgumentException: altera_merlin_router: no such parameter: PKT_TRANS_WRITE Description You may see this error in the Quartus® II software version 11.1 and later when Qsys generates HDL files. This error occurs if your Windows operating system has the environment variable set to an earlier version of the Quartus II software. Resolution To avoid this error, unset the environment variable in your Windows operating system. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 11.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']