Error when creating a page from a copy of an old page
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I am trying to create a page by copying an existing page.The site was upgraded from older version to DNN 7.0.6 now.Please can you help how to solve this by looking at this error message.Error: is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Security.Permissions.TabPermissionCollection.AddRange(TabPermissionCollection tabPermissions) at DotNetNuke.Modules.Admin.Tabs.ManageTabs.SaveTabData(String strAction) at DotNetNuke.Modules.Admin.Tabs.ManageTabs.cmdUpdate_Click(Object Sender, EventArgs e) --- End of inner exception stack trace ---
This is what I saw in the event viewer for this operation.
ModuleId: -1
ModuleDefId: -1
FriendlyName:
ModuleControlSource: DesktopModules/Admin/Tabs/ManageTabs.ascx
AssemblyVersion: 7.0.6
PortalID: 0
PortalName: XXXXXXXXXXXXX
UserID: 1
UserName: host
ActiveTabID: 57
ActiveTabName: Log Viewer
RawURL: /Admin/LogViewer/tabid/57/ctl/Tab/action/edit/activeTab/settingTab/Default.aspx?popUp=true
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://www.XXXXXXXXXXX.com/Admin/LogViewer/tabid/57/ctl/Tab/action/edit/activeTab/settingTab/Default.aspx?popUp=true
UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke
ExceptionGUID: 95fda14b-617b-425d-b4b9-d4439a9a2d52
InnerException: Object reference not set to an instance of an object.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: DotNetNuke.Security.Permissions.TabPermissionCollection.AddRange
StackTrace:
Message: DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Security.Permissions.TabPermissionCollection.AddRange(TabPermissionCollection tabPermissions) at DotNetNuke.Modules.Admin.Tabs.ManageTabs.SaveTabData(String strAction) at DotNetNuke.Modules.Admin.Tabs.ManageTabs.cmdUpdate_Click(Object Sender, EventArgs e) --- End of inner exception stack trace ---
Source:
Server Name: XXXXXXXX