Error(s) in re-building vignettes:
--- re-building ‘presentazioneCladagMinottiSpedicato.Rnw’ using Sweave
Error: processing vignette 'presentazioneCladagMinottiSpedicato.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'presentazioneCladagMinottiSpedicato.tex' failed.
LaTeX errors:
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@barshade".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@aboveframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Package pgf Error: Undefined shading "beamer@belowframetitle".

See the pgf package documentation for explanation.
Type  H <return>  for immediate help.
 ...         
--- failed re-building ‘presentazioneCladagMinottiSpedicato.Rnw’

--- re-building ‘the_cwm_package.Rnw’ using Sweave
Loading required package: MASS
--- finished re-building 'the_cwm_package.Rnw'

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

Error: Vignette re-building failed.
Execution halted