when I installing extension iam getting this error , how to resolve it.
Server Error in '/firstsite' 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) +48
System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +2668392
System.Collections.ObjectModel.KeyedCollection`2.AddKey(TKey key, TItem item) +33
System.Collections.ObjectModel.KeyedCollection`2.InsertItem(Int32 index, TItem item) +36
System.Collections.ObjectModel.Collection`1.Add(T item) +114
DotNetNuke.ComponentModel.SimpleContainer.RegisterComponentInstance(String name, Type contractType, Object instance) +175
DotNetNuke.ComponentModel.AbstractContainer.RegisterComponentInstance(Object instance) +99
DotNetNuke.ComponentModel.ComponentFactory.RegisterComponentInstance(Object instance) +124
DotNetNuke.Security.Membership.AspNetMembershipProvider..ctor() +190
[TargetInvocationException: Exception has been thrown by the target of an invocation.]
System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck) +0
System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache) +103
System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache) +268
System.Activator.CreateInstance(Type type, Boolean nonPublic) +66
System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +1036
System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +114
System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams) +642
DotNetNuke.Framework.Reflection.CreateInstance(Type Type) +34
DotNetNuke.ComponentModel.SingletonComponentBuilder.BuildComponent() +17
DotNetNuke.ComponentModel.SimpleContainer.GetComponent(IComponentBuilder builder) +15
DotNetNuke.ComponentModel.SimpleContainer.GetComponent(Type contractType) +80
DotNetNuke.ComponentModel.AbstractContainer.GetComponent() +55
DotNetNuke.ComponentModel.ComponentFactory.GetComponent() +110
DotNetNuke.Security.Membership.MembershipProvider.Instance() +9
DotNetNuke.Entities.Users.UserController..cctor() +4
[TypeInitializationException: The type initializer for 'DotNetNuke.Entities.Users.UserController' threw an exception.]
DotNetNuke.Entities.Users.UserController.GetCurrentUserInfo() +0
DotNetNuke.Services.Exceptions.BasePortalException.InitializePrivateVariables() +280
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Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433