WPF Spread Sheet 14.2

Open dbenfachALL.xlsx, delete [Filial] sheet, it crashes.

dbenfachALL.xlsx (https://www.devexpress.com/Support/Center/Question/Details/Q571743)

It is Excel Engine error, not Spreadsheet control error.

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Infragistics WPF Spreadsheet demo.

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation";
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml";
        xmlns:ig="http://schemas.infragistics.com/xaml"; x:Class="WpfApp.MainWindow"
        Title="MainWindow" Height="350" Width="525">
   
       
       
           
           
       
       
        Load

using System.IO;
using System.Windows;
using Infragistics.Documents.Excel;

namespace WpfApp
{
    ///

    /// Interaction logic for MainWindow.xaml
    ///
    public partial class MainWindow : Window
    {
      
        public MainWindow()
        {
            InitializeComponent();
        }

       private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
        {

           Stream stream = File.Open("mydocument.xlsx", FileMode.OpenOrCreate);
            Workbook wb = Workbook.Load(stream);
            if (wb != null)
            {
                this.spread.Workbook = wb;
            }
        }
    }
}