Why do I get “Overwriting previous definition” warnings when instantiating multiple instances of IPs. - Why do I get “Overwriting previous definition” warnings when instantiating multiple instances of IPs. Description Due to a problem in the Intel® Quartus® Prime software version, 18.1 and earlier, instantiating multiple instances of these IPs might cause fitter warnings of the following format: “Overwriting the previous definition of xyz module”. When the IP has different configurations, this could impact the functionality of the IP. Low Latency 100G Ethernet Intel® Stratix® 10 FPGA IP, 25G Ethernet Intel® Stratix® 10 FPGA IP, H-Tile Hard IP for Ethernet Intel® Stratix® 10 FPGA IP and E-Tile Hard IP for Ethernet Intel® Stratix® 10 FPGA IP Resolution This problem has been fixed starting in the Intel® Quartus® Prime revision v18.1.1. Custom Fields values: ['novalue'] Troubleshooting 1408760980 False ['25G Ethernet IP', 'Ethernet', 'Low Latency 100G Ethernet IP for Arria® 10 and Stratix® V'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 18.1.1 18.1 ['Stratix® 10 GX FPGA', 'Stratix® 10 MX FPGA', 'Stratix® 10 SX FPGA', 'Stratix® 10 TX FPGA'] ['novalue'] ['novalue'] ['novalue']