Yeah, it’s informally known as a “naming and shaming” rule, but here’s the actual text of it:
This can be found in the “Always Be Civil” section of Social Guidelines page, which itself is linked in the pinned post called Conan Exiles Resources and Frequently Asked Questions.
As others pointed out, the Terms of Service, which are also in a pinned post, describe the proper procedure for reporting cheaters, which is to submit a Zendesk ticket.
So, yeah, what you did is an understandable mistake, no big deal. Good luck with your report! 