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— title: pdfTeX destination … ignored category: errors permalink: /FAQ-hyperdupdest date: 2014-06-10 —

The warning: ```latex ! pdfTeX warning (ext4): destination with the same identifier (name{page.1}) has been already used, duplicate ignored ``` arises because of duplicate page numbers in your document. The problem is usually soluble: see [PDF page destinations](FAQ-pdfpagelabels) — which answer also describes the problem in more detail.

If the identifier in the message is different, for example `name{figure.1.1}`, the problem is (often) due to a problem of package interaction. The `README` in the [`hyperref`](https://ctan.org/pkg/hyperref) distribution mentions some of these issues — for example, `equation` and `eqnarray` as supplied by the [`amsmath`](https://ctan.org/pkg/amsmath) package; means of working around the problem are typically supplied there.

Some packages are simply incompatible with [`hyperref`](https://ctan.org/pkg/hyperref), but most work simply by ignoring it. In most cases, therefore, you should load your package before you load [`hyperref`](https://ctan.org/pkg/hyperref), and [`hyperref`](https://ctan.org/pkg/hyperref) will patch things up so that they work, so you can utilise your (patched) package _after_ loading both:

`\usepackage{_your package_}`
‹_code that uses your package_›

For example: ```latex \usepackage{float} % defines \newfloat … \usepackage[…]{hyperref} % patches \newfloat … \newfloat{…}{…}{…} ``` You should load packages in this order as a matter of course, unless the documentation of a package says you _must_ load it after [`hyperref`](https://ctan.org/pkg/hyperref). (There are few packages that require to be loaded after hyperref: one such is [`memoir`](https://ctan.org/pkg/memoir)'s “[`hyperref`](https://ctan.org/pkg/hyperref) fixup” package [`memhfixc`](https://ctan.org/pkg/memhfixc).)

If loading your packages in the (seemingly) “correct” order doesn't solve the problem, you need to [seek further help](FAQ-gethelp).

2_programmation/erreurs/d/pdftex_destination_ignored.1528031627.txt.gz · Dernière modification: 2018/06/03 15:13 par samcarter
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