Hi all, I upgrade dnnversion from 4.9 to dnnv5.6 then i will get following error after upgrading database. [NullReferenceException: Object reference not set to an instance of an object.] DotNetNuke.Common.Globals.NavigateURL(Int32 TabID, Boolean IsSuperTab, PortalSettings settings, String ControlKey, String Language, String[] AdditionalParameters) +573 DotNetNuke.Common.Globals.NavigateURL(Int32 TabID, Boolean IsSuperTab, PortalSettings settings, String ControlKey, String[] AdditionalParameters) +53 DotNetNuke.Common.Globals.NavigateURL(Int32 TabID, PortalSettings settings, String ControlKey, String[] AdditionalParameters) +52 DotNetNuke.Common.Globals.NavigateURL(Int32 TabID) +30 DotNetNuke.UI.Skins.Controls.Logo.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\rssnew5\Admin\Skins\Logo.ascx.vb:77 [ModuleLoadException: An error has occurred.] DotNetNuke.Services.Exceptions.Exceptions.ProcessModuleLoadException(String FriendlyMessage, Control ctrl, Exception exc, Boolean DisplayErrorMessage) +373 DotNetNuke.Services.Exceptions.Exceptions.ProcessModuleLoadException(Control ctrl, Exception exc, Boolean DisplayErrorMessage) +185 DotNetNuke.Services.Exceptions.Exceptions.ProcessModuleLoadException(Control ctrl, Exception exc) +34 DotNetNuke.UI.Skins.Controls.Logo.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\rssnew5\Admin\Skins\Logo.ascx.vb:88 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627 [PageLoadException: An error has occurred.] DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(Exception exc, String URL) +268 DotNetNuke.Framework.PageBase.OnError(EventArgs e) +394 System.Web.UI.Page.HandleError(Exception e) +84 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6776 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242 System.Web.UI.Page.ProcessRequest() +80 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21 System.Web.UI.Page.ProcessRequest(HttpContext context) +49 ASP.default_aspx.ProcessRequest(HttpContext context) +37 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75 This error occure in c:\inetpub\wwwroot\rssnew5\Admin\Skins\Logo.ascx.vb this line. plz give me reply..
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