This error may occur if CausesValidation is set to true and databound controls (with custom validators based on the databound elements) have not yet been loaded. System.Web.HttpUnhandledException (0x80004005): Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> ======================================================================================================================== Critical Message : An error occured whilst validating the Sql Programs. Timestamp : 11/12/2017 03:16:22 GUID : 6c4aabe4-a623-4570-b174-a8460035f02d Exception type : WebApplications.BabelNET.Exceptions.InitialisationException Inner Exception : 133c6332-e44e-448c-ae48-a8460035f02d ======================================================================================================================== at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequest(HttpContext context) at Fusion.Web.Base.ToolKitPageBase`1.ProcessRequest(HttpContext _context)