Ошибка при печати

Печать завершена с ошибками:

Нулевой объект должен иметь значение.

   в System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)

   в Inster.GeoCadastre.GisEditor.Structure.Contour.ShiftCaption(BasePoint point, Vertex vertex, Int32 scale)

   в Inster.GeoCadastre.GisEditor.Structure.Contour.ShiftCaptions(Vertexes verts, Int32 scale)

   в Inster.GeoCadastre.GisEditor.Structure.Contour.ShiftCaptions(Picture picture, Boolean inBounds)

   в Inster.GeoCadastre.GisEditor.Structure.PictureList`1.ShiftPolygonsCaptions(GisObject[] lotsColls, Picture picture, Boolean inBounds)

   в Inster.GeoCadastre.GisEditor.Structure.PictureList`1.ShiftPolygonsCaptions(Picture picture, Boolean inBounds)

   в Inster.GeoCadastre.GisEditor.Structure.PictureList`1.ShiftPolygonsCaptionsTran(Picture picture, Boolean inBounds)

   в Inster.GeoCadastre.GisEditor.Structure.PictureList`1.Save(String pathName)

   в Inster.GeoCadastre.GisEditor.Structure.PictureList`1.Save()

   в Inster.GeoCadastre.GisEditor.File.MakePictures()

   в Inster.GeoCadastre.Engine.MainPresenter.a()

   в cn.c(XElement A_0)

   в cn.b(Object A_0, HandledEventArgs A_1)

   в Inster.Data.Export.AbstractExporter.Save()

   в Inster.Data.Export.StatusPage.Show()