Pre-alpha 4 update 2 introduced a bug:

Bots will stay in "missing resource" mode forever, even if that resource re-spawns. Workaround is interacting with the bot and press "Ready".

Thank you for the game, it's really fun, looking forward to the final release!

Hey Ciaolo.

Thanks for reporting that issue! We'll try to have it fixed for the next public version.

I'm glad you're enjoying the game so far! We're working on more content right now and I hope you'll find it fun too :)

If you'd like to, take a look at our Discord server: https://discord.gg/hDxyZ7A. It's the best way to stay up to date with the game's news right now :)