Hi all,

After upgrade to dnn 4.5.1 from 4.5.0. i upload source code from local to hosting server. i login my website with username: demo and password: dnndemo at http://www.bongdanghethuat.com , i login okie, but when i logout it has problem, and i see it in log off system follow:

AssemblyVersion: 04.05.00
PortalID: 0
PortalName: Bóng đá nghệ thuật
UserID: 4
UserName: demo
ActiveTabID: 37
ActiveTabName: Home
RawURL: /Home/tabid/37/portalid/0/Logoff.aspx
AbsoluteURL: /Admin/Security/Logoff.aspx
AbsoluteURLReferrer: http://www.bongdanghethuat.com/Home/tabid/37/Default.aspx
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 1.1.4322)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 711701a5-9e95-4123-bb25-640c1973f209
InnerException: Unhandled Error:
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.Compilation.BuildManager.CompileWebFile
StackTrace:
Message: System.Exception: Unhandled Error: ---> System.Web.HttpCompileException: E:\Domains\bongdanghethuat.com\wwwroot\Admin\Security\Logoff.aspx.vb(81): error BC30456: 'ClearUserCache' is not a member of 'DotNetNuke.Common.Utilities.DataCache'. at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert) at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) at System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) at System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) at System.Web.HttpApplication.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) --- End of inner exception stack trace ---

Can someone help me fix it? thanks