PDF Generation fails on week, month and year....

When try to print a pdf of resource's calendar, fails on week, month and year, but diary runs ok.

This is the traceback:

Exception

UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 20: ordinal not in range
(128)

Traceback

File "/usr/lib/libschoolbell/Zope3/src/zope/publisher/publish.py", line 138, in publish

File "/usr/lib/libschoolbell/Zope3/src/zope/app/publication/zopepublication.py", line 164, in
callObject

File "/usr/lib/libschoolbell/Zope3/src/zope/publisher/publish.py", line 113, in mapply

Extra information: <bound method MonthlyPDFCalendarView.pdfdata of
<zope.app.publisher.browser.viewmeta.MonthlyPDFCalendarView object at 0xb1359b6c>>
File "/usr/lib/libschoolbell/Zope3/src/zope/publisher/publish.py", line 119, in debug_call

File "/usr/lib/libschoolbell/src/schoolbell/app/browser/pdfcal.py", line 86, in pdfdata

File "/usr/lib/libschoolbell/src/schoolbell/app/browser/pdfcal.py", line 99, in buildStory

File "/usr/lib/libschoolbell/src/schoolbell/app/browser/pdfcal.py", line 346, in buildEventTables

File "/usr/lib/python2.4/site-packages/reportlab/platypus/paragraph.py", line 379, in __init__
  self._setup(text, style, bulletText, frags, cleanBlockQuotedText)
File "/usr/lib/python2.4/site-packages/reportlab/platypus/paragraph.py", line 402, in _setup
  style, frags, bulletTextFrags = _parser.parse(text,style)
File "/usr/lib/python2.4/site-packages/reportlab/platypus/paraparser.py", line 798, in parse
  self.feed(text)