Comment 5 for bug 1073844

When I try to add a track below the last displayed one only the free space below it grows. I assume it is added but not displayed. This is the message from the command line:

on_mnuAddTrackBelow_activate clicked
project state modified
state saved
Traceback (most recent call last):
  File "/home/hanke/openshot/openshot/windows/MainGTK.py", line 2887, in on_mnuAddTrackBelow_activate
    self.project.Render()
  File "/home/hanke/openshot/openshot/classes/project.py", line 221, in Render
    self.sequences[0].Render()
  File "/home/hanke/openshot/openshot/classes/sequences.py", line 171, in Render
    MyTrack.Render()
  File "/home/hanke/openshot/openshot/classes/track.py", line 94, in Render
    MyClip.Render()
  File "/home/hanke/openshot/openshot/classes/clip.py", line 287, in Render
    self.RenderClip()
  File "/home/hanke/openshot/openshot/classes/clip.py", line 1163, in RenderClip
    pixbuf_width = pixbuf.get_width()
AttributeError: 'NoneType' object has no attribute 'get_width'
on_frmMain_key_press_event