LSR won't start after installing

["Hermann" <steppenwolf2 onlinehome de>]

Hello to all,
I've installed LSR on a Ubuntu Edgy machine, where Orca is running without
problems.
The configuration of my computer is as follows:
1 Ghz. processor, 256 MB RAM, 16 MB is reserved for the on-board graphic
card.
Orca and brltty are used as screen readers for graphical and text terminals.
I installed LSR by typing:
aptitude install lsr
which worked. There were no additional packages installed, so I guess that
the needed packages are already there.
After entering
lsr
I got an error message, that I'll post below.
Entering
lsr -y "this is a test"
produces sometimes an output message, but not always.
Wen the speech is silent, I get no error messages. I read on my braille
display
Said: this is a test.
I upgraded LSR by downloading the latest source, but it makes no difference,
the same phenomena.
Here's the error message when starting lsr:

Linux Screen Reader ver. 0.3.2 rev. Sat Dec  2 18:07:23 UTC 2006
Copyright (c) 2005, 2006 IBM Corporation

Traceback (most recent call last):
File "/usr/local/bin/lsr", line 36, in ?
LSRMain.main()
File "/usr/local/lib/python2.4/site-packages/lsr/LSRMain.py", line 564, in
main
mtd(options)
File "/usr/local/lib/python2.4/site-packages/lsr/LSRMain.py", line 365, in
run
import Adapters
File "/usr/local/lib/python2.4/site-packages/lsr/Adapters/__init__.py", line
18, in ?
from ATSPI import *
File
"/usr/local/lib/python2.4/site-packages/lsr/Adapters/ATSPI/__init__.py",
line 17, in ?
from DefaultInfo import *
File
"/usr/local/lib/python2.4/site-packages/lsr/Adapters/ATSPI/DefaultInfo.py",
line 18, in ?
import pyLinAcc
File "/usr/local/lib/python2.4/site-packages/lsr/pyLinAcc/__init__.py", line
30, in ?
data = bonobo.activation.activate_from_id(REGISTRY_IID)
Bonobo.GeneralError

What's going wrong?
Thanks for your help.
Regards
Hermann