Design Space Explorer II cannot compile projects with spaces in the path name - Design Space Explorer II cannot compile projects with spaces in the path name Description Design Space Explorer II cannot compile projects with spaces in the path name. On Windows machines, the project will not open. On Linux machines, the project will open but compilation fails with the error: quartus_dse: error: unrecognized arguments:< partial path name > . Resolution You must remove any spaces from the full path of the project. Custom Fields values: ['novalue'] Troubleshooting FB291869; True ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 18.0 15.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']