NHibernate exception: Transaction not connected, or was disconnected

Question

In our develop environment all the ASP.NET application works just fine. However, when I deploy the site on the test machine, on some pages I get this exception:

Answer 1

This was a comment, but I had the same issue as well.

This error can occur when a trigger causes a database level exception. This will cause the transaction to be rolled back hence the exception.