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System.ArgumentNullException: Value cannot be null.
Parameter name: child
at System.Web.UI.ControlCollection.Add(Control child)
at YAF.Pages.postmessage.OnInit(EventArgs e)
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 YAF.Forum.Forum_Init(Object sender, EventArgs e)
at System.Web.UI.Control.OnInit(EventArgs e)
at System.Web.UI.UserControl.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.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)