Issue at Fault simulation step

[bharath19-gs]

hi @donn

i am just trying out the usage steps given in wiki, but i am facing this issue as shown in the image, any idea how to fix it and move ahead?

i am using ubuntu 20.04.5

and have installed all packages too.

please do help me resolve this error.

thank you!

[bharath19-gs]

issue has been fixed, when removed iverilog and reinstalled.