Error When create a picklist for WO structure
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Details of Error
Ifs.Fnd.FndSystemException: Explorer: An Unhandled Exception has occurred ---> System.NullReferenceException: Object reference not set to an instance of an object.
at Ifs.Fnd.ApplicationForms.cRecListDataField.AddDisplayColumn(SalWindowHandle hWnd, FndDataColumnCollection& columnCollection)
at Ifs.Fnd.ApplicationForms.cRecListDataField.CreateDisplayColumnCollection(SalWindowHandle mainColumn, SalArray`1 childColumn)
at Ifs.Fnd.ApplicationForms.cRecSelExtComboBox.CreateDisplayColumnCollection()
at Ifs.Fnd.ApplicationForms.cRecSelExtComboBox.AssignColumns(SalArray`1 saTitles, SalArray`1 naAlignments, SalArray`1 naWidths, SalNumber nNumColumns)
at Ifs.Fnd.ApplicationForms.cRecSelExtComboBox.__CreateColumns()
at Ifs.Fnd.ApplicationForms.cRecSelExtComboBox.cRecSelExtComboBox_OnAM_RecordSelectionSqlStmtGet(Object sender, WindowActionsEventArgs e)
at Ifs.Fnd.ApplicationForms.cRecSelExtComboBox.cRecSelExtComboBox_WindowActions(Object sender, WindowActionsEventArgs e)
at PPJ.Runtime.Windows.SalWindow.InvokeWindowActions(WindowActionsEventArgs args, SalContext context, Int32 startIndex)
at PPJ.Runtime.Windows.SalWindow.FireWindowActions(Int32 msgCode, IntPtr wParam, IntPtr lParam)
at PPJ.Runtime.Windows.SalWindow.DispatchThenProcess(Message& m)
at PPJ.Runtime.Windows.SalWindow.ProcessWndProc(Message& m)
at PPJ.Runtime.Windows.SalComboBox.WndProc(Message& m)
at PPJ.Runtime.Vis.VisDropDownBase.WndProc(Message& m)
at Ifs.Fnd.ApplicationForms.cRecSelExtComboBox.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
--- End of inner exception stack trace ---