You have a missing link in your data. This will be due to some invalid data in the GEDCOM you import
In the tools menu run the following tools:

1/rebuild secondary index tool
2/rebuild reference tables tool
3/check and repair tool.

This should solve the problem.

Note that version 3.0.1 is out, you find an Ubuntu package on our website.

Benny

2008/6/17 Andrzej Kaznowski <andrzej@kaznowski.com>:
User Information:
===================

Tried to close the program and exit after having imported a gedcom file.


Error Details:
===================

35346: WARNING: _ReadGedcom.py: line 754: Line 9459 was not
understood, so it was ignored.590622: ERROR: gramps.py: line 148:
Unhandled exception
Traceback (most recent call last):
 File "/usr/share/gramps/ViewManager.py", line 492, in quit
   self.state.db.close()
 File "/usr/share/gramps/GrampsDb/_GrampsGEDDB.py", line 74, in close
   writer.export_data(self.full_name)
 File "/usr/share/gramps/GrampsDb/_WriteGedcom.py", line 598, in export_data
   self.write_families()
 File "/usr/share/gramps/GrampsDb/_WriteGedcom.py", line 652, in write_families
   father_alive = Utils.probably_alive(person,self.db)
 File "/usr/share/gramps/Utils.py", line 638, in probably_alive
   for child_ref in family.get_child_ref_list():
AttributeError: 'NoneType' object has no attribute 'get_child_ref_list'


System Information:
===================

Python version: 2.5.2 (r252:60911, Apr 21 2008, 11:12:42) [GCC 4.2.3
(Ubuntu 4.2.3-2ubuntu7)]
BSDDB version: 4.4.5.3
Gramps version: 2.2.10-1
LANG: en_US.UTF-8
OS: Linux
Distribution: 2.6.24-19-generic


--
Best regards,
Andrzej Kaznowski

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