Error(s) in re-building vignettes:
--- re-building ‘spls-example.Rnw’ using Sweave
Sparse Partial Least Squares (SPLS) Regression and
Classification (version 2.2-3)

Error: processing vignette 'spls-example.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'spls-example.tex' failed.
LaTeX errors:
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.137 \includegraphics{spls-example-cv}
                                       
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.137 \includegraphics{spls-example-cv}
                                       
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.137 \includegraphics{spls-example-cv}
                                       
! Undefined control sequence.
<recently read> \quote@name 
                            
l.137 \includegraphics{spls-example-cv}
                                       
! Undefined control sequence.
<recently read> \quote@name 
                            
l.137 \includegraphics{spls-example-cv}
                                       
! LaTeX Error: File `spls-example-cv' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.212 \includegraphics{spls-example-plot}
                                         
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.212 \includegraphics{spls-example-plot}
                                         
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.212 \includegraphics{spls-example-plot}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.212 \includegraphics{spls-example-plot}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.212 \includegraphics{spls-example-plot}
                                         
! LaTeX Error: File `spls-example-plot' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.242 \includegraphics{spls-example-coef}
                                         
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.242 \includegraphics{spls-example-coef}
                                         
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.242 \includegraphics{spls-example-coef}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.242 \includegraphics{spls-example-coef}
                                         
! Undefined control sequence.
<recently read> \quote@name 
                            
l.242 \includegraphics{spls-example-coef}
                                         
! LaTeX Error: File `spls-example-coef' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.351 \includegraphics{spls-example-ciplot}
                                           
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.351 \includegraphics{spls-example-ciplot}
                                           
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.351 \includegraphics{spls-example-ciplot}
                                           
! Undefined control sequence.
<recently read> \quote@name 
                            
l.351 \includegraphics{spls-example-ciplot}
                                           
! Undefined control sequence.
<recently read> \quote@name 
                            
l.351 \includegraphics{spls-example-ciplot}
                                           
! LaTeX Error: File `spls-example-ciplot' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.410 \includegraphics{spls-example-coef1}
                                          
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.410 \includegraphics{spls-example-coef1}
                                          
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.410 \includegraphics{spls-example-coef1}
                                          
! Undefined control sequence.
<recently read> \quote@name 
                            
l.410 \includegraphics{spls-example-coef1}
                                          
! Undefined control sequence.
<recently read> \quote@name 
                            
l.410 \includegraphics{spls-example-coef1}
                                          
! LaTeX Error: File `spls-example-coef1' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Undefined control sequence.
\Ginclude@graphics ...\Ginput@path \set@curr@file 
                                                  {#1}\edef \uq@curr@file {\...
l.417 \includegraphics{spls-example-coef2}
                                          
! Undefined control sequence.
\Ginclude@graphics ...e \expandafter {\@curr@file 
                                                  }}\expandafter \filename@p...
l.417 \includegraphics{spls-example-coef2}
                                          
! Undefined control sequence.
<recently read> \unquote@name 
                              
l.417 \includegraphics{spls-example-coef2}
                                          
! Undefined control sequence.
<recently read> \quote@name 
                            
l.417 \includegraphics{spls-example-coef2}
                                          
! Undefined control sequence.
<recently read> \quote@name 
                            
l.417 \includegraphics{spls-example-coef2}
                                          
! LaTeX Error: File `spls-example-coef2' not found.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
--- failed re-building ‘spls-example.Rnw’

SUMMARY: processing the following file failed:
  ‘spls-example.Rnw’

Error: Vignette re-building failed.
Execution halted