Not sure this will resolve the issue for you, but the AI integration with Visual Rules is a very new feature and platform version 2.4.3.156 is the most recent release.
So perhaps updating and then creating the automation again is worth a try.
Maybe, my issue is linked to it: All my rules are not displayed anymore. When I open a rule, I just see a blank page. This happens to all rules. The rules are still executed, but I can neither see them nor edit them: