Error(s) in re-building vignettes:
  ...
--- re-building ‘article.Rnw’ using Sweave
Error: processing vignette 'article.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'article.tex' failed.
LaTeX errors:
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.329 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.379 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.434 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.459 
      
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.520 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.589 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.654 
      
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.730 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.848 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.876 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.956 
      
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.1070 
       
! LaTeX Error: Not in outer par mode.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.1132 
       
! LaTeX Error: \begin{center} on input line 1125 ended by \end{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! You can't use `\end' in internal vertical mode.
\enddocument ...es \z@ \Call@AtVeryVeryEnd \@@end 
                                                  
l.1137 \end{document}
                     
! LaTeX Error: \begin{center} on input line 1125 ended by \end{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Emergency stop.
<*> \nonstopmode \input ./article.tex
                                     
*** (job aborted, no legal \end found)

!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘article.Rnw’

SUMMARY: processing the following file failed:
  ‘article.Rnw’

Error: Vignette re-building failed.
Execution halted