Error: Duplicate key com.altera.sopc.generator.systemview.InterconnectAssignmentValue@xxxxxxx - Error: Duplicate key com.altera.sopc.generator.systemview.InterconnectAssignmentValue@xxxxxxx Description You may see the above error when generating a Platform Designer (formerly Qsys) system using Intel® Quartus® Prime software version 17.1.2 and earlier Resolution To work around this problem, enable the “ clear output directories for selected generation targets ” option via the Generate/Generate HDL menu using Platform Designer. This problem has been fixed starting in Intel® Quartus® Prime Pro software version 18.0. Custom Fields values: ['novalue'] Troubleshooting FB: 517110; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 18.0 17.1.2 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']