Unresolved defparam reference to 'enable_ecc' in dcfifo_mixed_widths_component? - Unresolved defparam reference to 'enable_ecc' in dcfifo_mixed_widths_component? Description Due to a problem in the Quartus® Prime software version 15.1, you may see this error when simulating a mixed width DCFIFO IP. The error occurs because the ECC parameter and port are now visible to users b ut it does not for mixed_width_dcfifo simulation model. Resolution To work around this problem, regenerate the IP in the Quartus Prime software version 15.1 Update 1. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 15.1 novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']