Any thoughts anyone?
Server Error in '/' Application.
Method not found: 'System.Guid
NopSolutions.NopCommerce.BusinessLogic.CustomerManagement.CustomerSession.get_CustomerSessionGUID()'.
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.MissingMethodException: Method not found: 'System.Guid NopSolutions.NopCommerce.BusinessLogic.CustomerManagement.CustomerSession.get_CustomerSessionGUID()'.
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:
[MissingMethodException: Method not found: 'System.Guid NopSolutions.NopCommerce.BusinessLogic.CustomerManagement.CustomerSession.get_CustomerSessionGUID()'.]
NopSolutions.NopCommerce.HttpModules.MembershipHttpModule.Application_BeginRequest(Object sender, EventArgs e) +0
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +68
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
Version Information: Microsoft .NET Framework Version:2.0.50727.3615; ASP.NET Version:2.0.50727.3618