Server Error in '/_cms/administrative' Application.

An item with the same key has already been added.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: An item with the same key has already been added.

Source Error:

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.

Stack Trace:


[ArgumentException: An item with the same key has already been added.]
   System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +56
   System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +13143720
   EzCMS.DataHelpers.AppConfig.LoadWundergroundLocation(Guid actor) +1089
   EzCMS.DataHelpers.AppConfig.LoadConfig() +2989
   EzCMS.DataHelpers.AppConfig..cctor() +1641

[TypeInitializationException: The type initializer for 'EzCMS.DataHelpers.AppConfig' threw an exception.]
   EzCMS.FilterConfig.RegisterGlobalFilters(GlobalFilterCollection filters) +52
   EzCMS.FrontApplication.Application_Start() +37

[HttpException (0x80004005): The type initializer for 'EzCMS.DataHelpers.AppConfig' threw an exception.]
   System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +10110183
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +123
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +181
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +228
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +314

[HttpException (0x80004005): The type initializer for 'EzCMS.DataHelpers.AppConfig' threw an exception.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +10090424
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +99
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +263


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0