The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
I don't know this mod, but it should be easy to restore. You would only need to adapt the script file and the blueprint files of the ACUs. But I can't help, I'm currently working on another project.
Well, check the game.log for warnings / errors.
You could use a IssueMove() command to move the drone to the target.
This way you can see if undock etc. is working
Then check fire angle of drone weapons. Maybe they can't aim to the ground.
