An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
[TypeLoadException: Could not load type 'DotNetNuke.Security.Authentication.AuthenticationController' from assembly 'DotNetNuke, Version=4.8.2.0, Culture=neutral, PublicKeyToken=null'.] DotNetNuke.HttpModules.AuthenticationModule.Init(HttpApplication application) +0 System.Web.HttpApplication.InitModulesCommon() +66 System.Web.HttpApplication.InitInternal(HttpContext context, HttpApplicationState state, MethodInfo[] handlers) +1006 System.Web.HttpApplicationFactory.GetNormalApplicationInstance(HttpContext context) +259 System.Web.HttpApplicationFactory.GetApplicationInstance(HttpContext context) +114 System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +350