Error(s) in re-building vignettes:
  ...
--- re-building ‘GNE-howto.Rnw’ using Sweave
Loading required package: alabama
Loading required package: numDeriv
Loading required package: nleqslv
Loading required package: BB
Loading required package: SQUAREM
Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Warning in Delta1_xk * mystep :
  Recycling array of length 1 in vector-array arithmetic is deprecated.
  Use c() or as.vector() instead.

Error: processing vignette 'GNE-howto.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'GNE-howto.tex' failed.
LaTeX errors:
! Argument of \@tempa has an extra }.
<inserted text> 
                \par 
l.371 ...\textwidth]{img/4GNEPlots} \label{GNEs} }
                                                  
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.371 ...\textwidth]{img/4GNEPlots} \label{GNEs} }
                                                  
! Extra }, or forgotten \endgroup.
<recently read> }
                 
l.371 ...\textwidth]{img/4GNEPlots} \label{GNEs} }
                                                  
! Argument of \@tempa has an extra }.
<inserted text> 
                \par 
l.372 ...mg/4GNEinitialPoints} \label{initpoint} }
                                                  
! Paragraph ended before \@tempa was complete.
<to be read again> 
                   \par 
l.372 ...mg/4GNEinitialPoints} \label{initpoint} }
                                                  
! Extra }, or forgotten \endgroup.
<recently read> }
                 
l.372 ...mg/4GNEinitialPoints} \label{initpoint} }
                                                  
! You can't use `\hrule' here except with leaders.
\caption@hrule ->\hrule 
                        \@height \z@ 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing number, treated as zero.
<to be read again> 
                   \vskip 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Illegal unit of measure (pt inserted).
<to be read again> 
                   \vskip 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing \endgroup inserted.
<inserted text> 
                \endgroup 
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.373 ...tion{Contour plots of the norm of $\Phi$}
                                                  
--- failed re-building ‘GNE-howto.Rnw’

SUMMARY: processing the following file failed:
  ‘GNE-howto.Rnw’

Error: Vignette re-building failed.
Execution halted