For general support, technical discussions, and community collaboration please use the CSLA Forum.
If you believe you have identified a bug or other concrete issue with CSLA .NET, please file that as an issue in the CSLA .NET repo.
When in doubt about where to post, please post in the forum first so the community can help determine the nature of your question or issue.
A lot of other information and resources can be found from the CSLA .NET home page.