Hello,
I have this error that keeps occuring.
Do you have any idea what could be the cause of it?
Application_Error - Offending URL: http://mywebsite/RadControls/Chart/Image.aspx - Source: System.Web - Message: Value cannot be null. Parameter name: key - Stack trace: at System.Web.Caching.CacheInternal.DoGet(Boolean isPublic, String key, CacheGetOptions getOptions) at System.Web.Caching.Cache.get_Item(String key) at Telerik.WebControls.Dialogs.ChartImage.Page_Load(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)