I added the stai.json file and restarted farmr.
Of course I have to enter the staicoin blockchain directory:

Specify your staicoin-blockchain directory below: (e.g.: /home/user/staicoin-blockchain) /home/harvey1/stai-blockchain Could not locate chia binary in your directory. (/home/harvey1/stai-blockchain/venv/bin/staicoin not found) Please try again. Make sure this folder has the same structure as Chia's GitHub repo.

But this path matches exactly the path of the repo.

Any idea what could be wrong?