AssemblyVersion: 04.08.02
PortalID: 0
PortalName: LawsonGuru.com
UserID: 10
UserName: jhenley
ActiveTabID: 158
ActiveTabName: Article Viewer
RawURL: /ArticleViewer/tabid/158/ctl/AdminContainer/mid/856/adminType/TopLevelCategoryEdit/versionId/5/Default.aspx?returnUrl=%2ftabid%2f158%2ftags%2fAdd-Ins%2fDefault.aspx
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer:
UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 2ea68954-0d76-41df-bc0f-d9f162c07b8e
InnerException: Value cannot be null. Parameter name: virtualPath
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.VirtualPath.Create
StackTrace:
Message: System.ArgumentNullException: Value cannot be null. Parameter name: virtualPath at System.Web.VirtualPath.Create(String virtualPath, VirtualPathOptions options) at System.Web.UI.TemplateControl.LoadControl(String virtualPath) at Engage.Dnn.Publish.AdminLoader.LoadControlType() at Engage.Dnn.Publish.AdminLoader.OnInit(EventArgs e) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.AddedControl(Control control, Int32 index) at System.Web.UI.ControlCollection.Add(Control child) at DotNetNuke.UI.Skins.Skin.InjectModule(Control objPane, ModuleInfo objModule, PortalSettings PortalSettings)
Source:
Server Name: LAWGURU

Not sure, but I think it was related to an article not having a specified display tab.

Anyway, I have set all articles to have a specific display tab and I haven't gotten it since.

So, I guess you can delete it.