How do I run the randomiser mod on linux?

Hey There I am trying to run the randomiser mod, but I keep getting this error, help?

https://preview.redd.it/6xp9quivy2de1.png?width=1182&format=png&auto=webp&s=685ed8c728e2fb64ecad1b8abfb7b812b5ac6a7d