Hi, anyone is familiar with this problem?

My host and admin section was invisibles and all administrator features such as add pages become unavailable.....

I cant see the admin and host menu, and after adding one new page

I get this error:

Error: Administración de la Página no está disponible en este momento.
DotNetNuke.Services.Exceptions.ModuleLoadException: Index was outside the bounds of the array. ---> System.IndexOutOfRangeException: Index was outside the bounds of the array. at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) at DotNetNuke.Entities.Tabs.TabController.FillTabInfo(IDataReader dr, Boolean CheckForOpenDataReader) at DotNetNuke.Entities.Tabs.TabController.GetTab(Int32 TabId, Int32 PortalId, Boolean ignoreCache) at DotNetNuke.Security.Permissions.TabPermissionController.AddTabPermission(TabPermissionInfo objTabPermission) at DotNetNuke.Entities.Tabs.TabController.AddTab(TabInfo objTab, Boolean AddAllTabsModules) at DotNetNuke.Entities.Tabs.TabController.AddTab(TabInfo objTab) 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 ---


Thanks for your help, I really apreciate it if any one have any idea.