How do u fix the error in the nix and repel

Screenshot 2023-01-31 5.20.32 PM
![Screenshot 2023-01-31 5.20.03 PM|487x251]

Welcome to the community!

You need to create a .replit file and configure the run command, a link to your Repl (the cover page) might help us figure out what exactly you need.

i know that can u help me?It is for my friends to play with me on?
replit .com