You may receive the following error message after you upgrade your website to the latest version of DotNetNuke:
    System.Data.IDataReader DotNetNuke.Data.DataProvider.GetRolesByUser(Int32, Int32)


This error is caused due to an incompatibility issue with previous versions of Active Forums and DotNetNuke 4.3 and higher.  This error can easily be corrected by installing Active Forums 3.6.8 or higher.

Please email support or create a ticket on our support page if you have any additional questions.