[pdftex] pdfTeX warning (ext4): destination with the same identifie ....

Heiko Oberdiek oberdiek at ruf.uni-freiburg.de
Tue Dec 18 10:19:36 CET 2001

On Tue, 18 Dec 2001, Carsten Friedrich wrote:

> ! pdfTeX warning (ext4): destination with the same identifier (name{page.1}) ha
> s been already used, duplicate ignored

You are using package "hyperref" and you have at least two
pages "1".
==> recommended hyperref options: plainpages=false,pdfpagelabels

If the pages were labled differently (for example: documentclass
book with \frontmatter and \mainmatter the pages are labeled
"i" and "1"), then the problem is solved.

If there is a title page without a printed page number,
you can set the page counter to zero, for example.
Or \thepage can be redefined, eg:

  % commands that generates the title page

Other options:
* If there are no references and such stuff on the pages "1",
  you can ignore the warning.
* Option "hypertexnames=false" solves the warning, but
  then index links, \autoref will not work correctly.

Yours sincerely
  Heiko <oberdiek at uni-freiburg.de>

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