Error Value cannot be null Parameter name: type

tema enviado por homess en ASP.NET
tema iniciado el 15/08/2008
Server Error in '/DotNetNuke_04.08.02_Install' Application. -------------------------------------------------------------------------------- Value cannot be null. Parameter name: type 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.ArgumentNullException: Value cannot be null. Parameter name: type 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: [ArgumentNullException: Value cannot be null. Parameter name: type] System.Activator.CreateInstance(Type type, Boolean nonPublic) +2797059 DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType, String ObjectProviderName, String ObjectNamespace, String ObjectAssemblyName, Boolean UseCache) +578 DotNetNuke.Data.DataProvider.CreateProvider() +46 DotNetNuke.Data.DataProvider..cctor() +5 [TypeInitializationException: The type initializer for 'DotNetNuke.Data.DataProvider' threw an exception.] DotNetNuke.Common.Globals.GetUpgradeStatus() +67 DotNetNuke.Common.Initialize.CheckVersion(HttpApplication app) +147 DotNetNuke.Common.Initialize.InitializeApp(HttpApplication app) +402 DotNetNuke.Common.Initialize.Init(HttpApplication app) +123 DotNetNuke.HttpModules.RequestFilter.RequestFilterModule.FilterRequest(Object sender, EventArgs e) +160 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +138 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +65 -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42