Messga d'erreur empêchant l'enregistrement d'un PDF

Are you trying to save an entire document? Or are you trying to save part of one into a new file?

You may want to check the options for saving your PDF file. I work with book production, where the pages in a PDF generally don't correspond with the page numbering within the file (lower-case roman numerals for preface pages, upper-case ones for appendices, page numbering in the body of the document using arabic numbers, but not corresponding to the page numbering within the PDF file). If the file you're "saving" has been extracted from another PDF, you often get alerts like the one you're experiencing as Acrobat tries to reconcile the two page numbering schemes (PDF page sequence vs. predetermined document sequencing).

Hope this helps,

Randy