Exception Details: System.ArgumentException: An item with the same key has already been added.
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
[ArgumentException: An item with the same key has already been added.] System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +51 System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +7460188 System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value) +11 Geekees.Common.Utilities.Json.JsonObject.Add(String key, String item) +119 Geekees.Common.Controls.ASTreeViewHelper.GetNodeJson(ASTreeViewNode node) +1592 Geekees.Common.Controls.ASTreeViewHelper.GetNodeJson(ASTreeViewNode node) +443 Geekees.Common.Controls.ASTreeViewHelper.GetNodeJsonString(ASTreeViewNode node) +122 Geekees.Common.Controls.ASTreeView.GenerateTree() +434 Geekees.Common.Controls.ASTreeView.OnPreRender(EventArgs e) +163 System.Web.UI.Control.PreRenderRecursiveInternal() +80 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Control.PreRenderRecursiveInternal() +171 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842
var
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