abrt version: 1.1.17
architecture: i686
cmdline: gedit
component: gedit
executable: /usr/lib/gedit-2/plugins
kernel: 2.6.32.21-168.fc12.i686.PAE
package: gedit-1:2.28.3-1.fc12
reason: completion.py:88:get_selected:IndexError: list index out of range
release: Fedora release 12 (Constantine)
time: 1301324944
uid: 500

backtrace
-----
completion.py:88:get_selected:IndexError: list index out of range

Traceback (most recent call last):
  File "/home/ustas/.gnome2/gedit/plugins/completion.py", line 252, in _on_view_key_press_event
    return not completion_window.select_next()
  File "/home/ustas/.gnome2/gedit/plugins/completion.py", line 93, in select_next
    row = min(self.get_selected() + 1, len(self._store) - 1)
  File "/home/ustas/.gnome2/gedit/plugins/completion.py", line 88, in get_selected
    return selection.get_selected_rows()[1][0][0]
IndexError: list index out of range

Local variables in innermost frame:
self: <CompletionWindow object at 0x914dc0c (GtkWindow at 0x8c1b960)>
selection: <gtk.TreeSelection object at 0x978a5a4 (GtkTreeSelection at 0x905a9a0)>

How to reproduce
-----
1. After many window and long time runing
2.
3.