For me, the issue was that the AI auto-completed the necessary version number for me. It put version 1.6.2 for the rules and runner APIs. Version 1.6.2 doesn't exist.

There's links provided in the feedback generated that say where it tried to go to download the versions. One of them is on Google and the other from Maven. If you search for the information on Maven's website, you can see valid version numbers (including some experimental versions).

I switched to 1.6.1 (a valid version), resynced the build.gradle file, and then tried again. That fixed my issue.