I upgraded to version 5.6.0 today, but the problem still remains.
I found this error message in the Event Viewer and I hope that someone will find the solution for that issue:
AssemblyVersion: 5.6.0
PortalID: 0
PortalName: Portal
UserID: 2
UserName: admin
ActiveTabID: 37
ActiveTabName: Home
RawURL: /Home/tabid/37/ctl/Edit/mid/912/Default.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer:
http://test-page.com/Home/tabid/37/ct...
UserAgent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.1)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: f25cc7af-1bbe-4ed0-b802-a599c24abf76
InnerException: Object reference not set to an instance of an object.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: DotNetNuke.UI.Skins.Skin.AddModuleMessage
StackTrace:
Message: DotNetNuke.Services.Exceptions.PageLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.UI.Skins.Skin.AddModuleMessage(Control objControl, String Heading, String Message, ModuleMessageType objModuleMessageType, String IconSrc) at DotNetNuke.UI.Skins.Skin.AddModuleMessage(Control objControl, String Heading, String Message, ModuleMessageType objModuleMessageType) at DotNetNuke.Modules.Html.EditHtml.cmdSave_Click(Object sender, EventArgs e) at DotNetNuke.UI.WebControls.CommandButton.OnButtonClick(EventArgs e) at DotNetNuke.UI.WebControls.CommandButton.RaiseClick(Object sender, EventArgs e) at System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e) at System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) at System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---
Source:
Server Name: SERVER