First, this post
proves that the AI works, so you are the only person who encountered this problem.
Now, to answer you, do you have another mod over WoL? If not, is WoL in the right place? If you renamed "bin" to something else, then it's normal that you get this error. If not, check if the mod has been properly updated to v1.0.9d by launching the updater.
(fr) Regarde à travers et vois le cygne et ce qui vit au-delà de l'au-delà.