Category: Quartus® Prime
Tools: Quartus® Prime
device:-

<Error message>

Error: add_fileset_file: No such file <quartus_prime_install_dir>/ip/altera/altera_nios2_gen2_rtl/cadence/altera_nios2_gen2_rtl_module.sv

In Intel® Quartus® Prime Standard Edition 19.1, 20.1, and 20.1.1 (for Windows OS), the above error message occurs when specifying a simulation model when generating RTL for a Platform Designer system that includes Nios® II. may be displayed.
A fix patch has been released for Quartus® Prime Standard Edition 20.1.1.
If you are using Quartus® Prime Standard Edition 19.1 and 20.1, upgrade to ver.20.1.1 and
Install Quartus® Prime Standard Edition 20.1.1 and then additionally install the patch.

Please obtain the patch file from the following page.
<KDB> Error: add_fileset_file: No such file C:/intelFPGA/20.1std/ip/altera/altera_nios2_gen2_rtl/cadence/altera_nios2_gen2_rtl_module.sv