[InvalidOperationException: The control with ID 'UpdatePanel1' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.]
System.Web.UI.UpdatePanel.get_ScriptManager() +239
System.Web.UI.UpdatePanel.RegisterPanel() +113
System.Web.UI.UpdatePanel.RegisterPanel() +105
System.Web.UI.UpdatePanel.OnInit(EventArgs e) +25
System.Web.UI.Control.InitRecursive(Control namingContainer) +173
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.AddedControl(Control control, Int32 index) +219
Telerik.Web.UI.RadCaptcha.CreateChildControls() +541
System.Web.UI.Control.EnsureChildControls() +107
Telerik.Web.UI.RadCaptcha.OnInit(EventArgs e) +83
System.Web.UI.Control.InitRecursive(Control namingContainer) +173
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Control.InitRecursive(Control namingContainer) +380
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +491
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