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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 ---

Note! The function used above is a customized one.  But, as shown in the description, after running the method, and clicking the tab, this technical error is returned.

Any help in pointing us towards the reason in order to be able to fix the problem is much appreciated.  

I assume it must have been handled several times, as I have run across the same error in various parts of the application, even when logging on.

 

Geir Sigve

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