I was just asked how to troubleshoot an HTTP Error 500.19 - Internal Server Error when trying to launch an ASP.NET Core website on IIS. I have seen this error too many times for both ASP.NET and ASP.NET Core so decided to write a blog post about at least one, obvious, fix. The problem happens when deploying the ASP.NET or ASP.NET Core website to IIS and getting the following error message in the browser.

In this fourth post in the series of "secret" elmah.io features, I want to introduce you to one of several AI features available on elmah.io. We have had machine learning features like automatic bot detection and spike identification for years. But a recent addition to the portfolio of AI features is the integration with ChatGPT to get help solving issues. In this post, I'll show you how to set it up and how it works.