Platform Design tool gets error when generating system: Error: border: Error during execution of script generate_hps_sdram.tcl: seq: Error during execution of "{C:/intelfpga_lite/19.1/quartus/../nios2eds/Nios II Command Shell.bat} make all 2>> stderr.txt"

Further investigation, if the patch above does not work. You may use the workaround mention below:

- uninstalled Ubuntu 18.04 (If you have)

- uninstalled wsl

- re-installed wsl

- downloaded latest Ubuntu 18.04 from Microsoft Shop & installed it

- executed following on Ubuntu shell :

sudo apt-get update

sudo apt install wsl

sudo apt install dos2unix

sudo apt install make

sudo apt-get upgrade

https://www.intel.com/content/altera-www/global/en_us/index/support/support-resources/knowledge-base/tools/2019/wslpath---nios--ii-eds-installation-directory-or-nios-ii-project.html