ddp build failed

[Debian Webmaster <webmaster@debian.org>]

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! Emergency stop.
<inserted text> 
                \par 
l.26 ...nzar de un Debian "puro"}{14}{section.4.2}
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!  ==> Fatal error occurred, no output PDF file produced!
Transcript written on release-notes.log.
Latexmk: If appropriate, the -f option can be used to get latexmk
  to try to force complete processing.
Latexmk: Getting log file 'release-notes.log'
Latexmk: Examining 'release-notes.fls'
Latexmk: Examining 'release-notes.log'
Latexmk: Index file 'release-notes.idx' was written
Latexmk: Errors, so I did not complete making targets
Collected error summary (may duplicate other messages):
  pdflatex: Command for 'pdflatex' gave return code 1
      Refer to 'release-notes.log' and/or above output for details

make[1]: *** [Makefile:29: release-notes.pdf] Error 12
make[1]: Leaving directory '/srv/www.debian.org/release-notes/release-notes/build/es/pdf'
make: *** [Makefile:116: build/es/pdf/release-notes.pdf] Error 2