I run 4.8.4 (with multiple child portals) on my server.
So far everything was running fine.
I decided to export and move some portals, but while exporting a portal i received following error.
Error: Export Template 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.Entities.Tabs.TabController.SerializeTab(XmlDocument xmlTab, Hashtable hTabs, TabInfo objTab, PortalInfo objPortal, Boolean includeAllModules, Boolean includeContent) at DotNetNuke.Entities.Tabs.TabController.SerializeTab(XmlDocument xmlTab, Hashtable hTabs, TabInfo objTab, PortalInfo objPortal, Boolean includeContent) at DotNetNuke.Modules.Admin.PortalManagement.Template.SerializeTabs(XmlDocument xmlTemplate, XmlNode nodeTabs, PortalInfo objportal) at DotNetNuke.Modules.Admin.PortalManagement.Template.cmdExport_Click(Object sender, EventArgs e) --- End of inner exception stack trace ---
Event viewer says
ModuleId: 334
ModuleDefId: 82
FriendlyName: Export Template
ModuleControlSource: Admin/Portal/Template.ascx
AssemblyVersion: 04.08.04
PortalID: 0
PortalName: Or Rouge: Positionnement web, rédaction, spécialiste adwords, SEO Montréal
UserID: 97
UserName: idmp
ActiveTabID: 17
ActiveTabName: Portals
RawURL: /Default.aspx?TabId=17&portalid=0
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: http://www.or-rouge.com/Host/Portals/tabid/17/portalid/0/Default.aspx
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.8.1.16) Gecko/20080702 Firefox/2.0.0.16
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 5f5b4a8a-6bc6-46c4-a52c-2c7a5492752b
InnerException: Object reference not set to an instance of an object.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: DotNetNuke.Entities.Tabs.TabController.SerializeTab
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.Entities.Tabs.TabController.SerializeTab(XmlDocument xmlTab, Hashtable hTabs, TabInfo objTab, PortalInfo objPortal, Boolean includeAllModules, Boolean includeContent) at DotNetNuke.Entities.Tabs.TabController.SerializeTab(XmlDocument xmlTab, Hashtable hTabs, TabInfo objTab, PortalInfo objPortal, Boolean includeContent) at DotNetNuke.Modules.Admin.PortalManagement.Template.SerializeTabs(XmlDocument xmlTemplate, XmlNode nodeTabs, PortalInfo objportal) at DotNetNuke.Modules.Admin.PortalManagement.Template.cmdExport_Click(Object sender, EventArgs e) --- End of inner exception stack trace ---
Source:
Server Name: WEBRBC
The first thing im going to check is permissions, if it does not help, do you have any other ideas?