Add the classification ingame via trigger.
Is it the only way?
Yes. Why would you expect a property of an option to not work if you set this option?
I believe you can set the nuts vision radius during day and night to very low. That might not make them attack unless they are attacked.
Didn't help...(And Acquisition Range to 0 too.
I need to see something too
Didn't help...(
I have sett it to 1 and now it works!)