WPF Viewer crashes application when click on print toolbar button

Hi,

I get the WPF viewer crashes my applications when i click on the print button (cr toolbar) right after open the report.

I use CR 13.0.7 with Visual Studio 2010.

Beschreibung:

  Stopped working

Problemsignatur:

  Problemereignisname:    CLR20r3

  Problemsignatur 01:    ew.exe

  Problemsignatur 02:    5.9.0.0

  Problemsignatur 03:    52550735

  Problemsignatur 04:    SAPBusinessObjects.WPF.Viewer

  Problemsignatur 05:    13.0.7.1136

  Problemsignatur 06:    523993aa

  Problemsignatur 07:    547

  Problemsignatur 08:    0

  Problemsignatur 09:    System.NullReferenceException

  Betriebsystemversion:    6.0.6002.2.2.0.272.7

  Gebietsschema-ID:    1031

I need help!

André