La génération automatique d'affiche a rencontré un problème:
This is pdfTeXk, Version 3.141592-1.40.3 (Web2C 7.5.6)
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entering extended mode
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LaTeX2e <2005/12/01>
Babel  and hyphenation patterns for english, usenglishmax, dumylang, noh
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us, indonesian, icelandic, italian, latin, mongolian, dutch, norsk, polish, por
tuguese, pinyin, romanian, russian, slovenian, uppersorbian, serbian, swedish, 
turkish, ukenglish, ukrainian, loaded.
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Document Class: letter 1999/04/29 v1.2z Standard LaTeX document class
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For additional information on amsmath, use the `?' option.
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(/usr/share/texmf/tex/latex/psnfss/times.sty) (./poster.aux)
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! Package inputenc Error: Keyboard character used is undefined
(inputenc)                in inputencoding `latin1'.

See the inputenc package documentation for explanation.
Type  H   for immediate help.
 ...                                              
                                                  
l.81 ... in obtaining precise constraints for EFT’
                                                  s, and how some of these m...

? 
! Emergency stop.
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l.81 ... in obtaining precise constraints for EFT’
                                                  s, and how some of these m...

No pages of output.
Transcript written on poster.log.

Si vous en avez la possibilité, merci de bien vouloir corriger les informations erronées.