I am running a DarkRP server with a lot of addons and custom content. No lua errors. Had an issue at first, but the creator was responsive and quick to get it fixed! Highly recommend this script.
I can define what a bad deed is. When a user loses too many Karma points they are automatically restricted on certain jobs. The code is hard to read but it works cleanly and I've had no problems so far. Zero Lua errors so far on 11 addons installed.