Fatal: (vsim-3817) Port "configupdate" of entity "system_altpll_0" is not in the component being instantiated. - Fatal: (vsim-3817) Port "configupdate" of entity "system_altpll_0" is not in the component being instantiated. Description Due to a problem in the Quartus® Prime Standard Edition Software version 18.1 and earlier, you may see Fatal Error message mentioned above when simulating VHDL based simulation model of ALTPLL FPGA IP. Resolution To work around this problem, update simulation script to use the IP top level wrapper file from <ip name>/synthesis/ directory instead of <ip name>/simulation/ directory. Custom Fields values: ['novalue'] Troubleshooting FB: 411002/ 2205746033; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Standard'] novalue 18.1 ['Arria® GX FPGA', 'Arria® II FPGAs', 'Cyclone® FPGAs', 'Cyclone® II FPGAs', 'Cyclone® III FPGAs', 'Cyclone® IV FPGAs', 'Cyclone® 10 LP FPGA', 'MAX® 10 10 FPGAs', 'Stratix® FPGAs', 'Stratix® II FPGAs', 'Stratix® III FPGAs', 'Stratix® IV FPGAs'] ['novalue'] ['novalue'] ['novalue']