Error after upgrading Plone

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Hi,

I just recently upgrade my plone installation from 2.1.2 to 2.5.1. So
far everything worked fine, but when I wanted to add a new
coreblog-entry to my site I get the following message:

'ascii' codec can't decode byte 0xc3 in position 109: ordinal not in
range(128)

Does anyone know how to "fix" this problem?

-=3D-=3D-
=2E.. Black holes suck.


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