hi,

after upgrading from 335 to 336 I have the problem, that I´m not able to install new modules. I receive the following error message:

Server Error in '/' Application.

Object reference not set to an instance of an object.
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.NullReferenceException: Object reference not set to an instance of an object.

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:


[NullReferenceException: Object reference not set to an instance of an object.]
DotNetNuke.Modules.Admin.ModuleDefinitions.EditModuleDefinition.Page_Load(Object sender, EventArgs e) +608

[ModuleLoadException: Fehler: Moduldefinitionen bearbeiten ist zur Zeit nicht verfügbar.]
DotNetNuke.Services.Exceptions.Exceptions.ProcessModuleLoadException(String FriendlyMessage, PortalModuleBase ctrlModule, Exception exc, Boolean DisplayErrorMessage) +468
DotNetNuke.Services.Exceptions.Exceptions.ProcessModuleLoadException(PortalModuleBase ctrlModule, Exception exc) +105
DotNetNuke.Modules.Admin.ModuleDefinitions.EditModuleDefinition.Page_Load(Object sender, EventArgs e) +1858
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Control.LoadRecursive() +98
System.Web.UI.Page.ProcessRequestMain() +750

[PageLoadException: Fehler: Moduldefinitionen bearbeiten ist zur Zeit nicht verfügbar.]
DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(Exception exc, String URL) +346
DotNetNuke.Framework.PageBase.Page_Error(Object Source, EventArgs e) +361
System.Web.UI.TemplateControl.OnError(EventArgs e) +109
System.Web.UI.Page.HandleError(Exception e) +68
System.Web.UI.Page.ProcessRequestMain() +2100
System.Web.UI.Page.ProcessRequest() +217
System.Web.UI.Page.ProcessRequest(HttpContext context) +18
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() +179
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87

any ideas???

thx a lot