Why does my .qsys file contain lots of repeated _originalDeviceFamily elements? - Why does my .qsys file contain lots of repeated _originalDeviceFamily elements? Description Due to a problem in the Quartus® Prime software version 15.0 and earlier, you may see that your .qsys file contains the following element repeated many times. element <Qsys system name> { datum _originalDeviceFamily { value = "<device family>"; type = "String"; } } Resolution This problem has been fixed beginning with version 15.1 of the Quartus Prime software. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 15.1 novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']