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I try to compile a friends project and get the following error message:

! Package keyval Error: pdfa undefined.

See the keyval package documentation for explanation.
Type  H <return>  for immediate help.
 ...

l.2238 \ProcessKeyvalOptions{Hyp}

In this project there is no line 2238 and the package keyval is not used either.

Same project can be compiled on other machines.

This happens when I use the package jheppub, so a minimal working example would be:

\documentclass{article}
\usepackage{jheppub}
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A minimal example producing the error is needed. –  egreg Jan 21 at 16:27

1 Answer 1

up vote 4 down vote accepted

Package hyperref has introduced option pdfa in version 2008/04/19 v6.77r. If your hyperref version is older, then an update is needed to get the option.

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