Bazaar bug after update

[Mélanie]

Hi,

I've updated Bazaar, and when i commit 
with tortoise bazaar, i get this error now.
I can't commit anymore :(
How can i fix it please ?

Thanks for help

Unable to load plugin u'rebase'. 
It requested API version (2, 0, 0) 
of module
<module 'bzrlib' from 'C:\Program
Files\Bazaar\lib\library.zip\bzrlib\__init__.pyo'> 
but the minimum exported
version is (2, 2, 0), and the maximum is (2, 2, 1)