Error(s) in re-building vignettes:
  ...
--- re-building ‘sphet.Rnw’ using Sweave
Loading required package: sp
Loading required package: spData
To access larger datasets in this package, install the
spDataLarge package with: `install.packages('spDataLarge',
repos='https://nowosad.github.io/drat/', type='source')`
Loading required package: sf
Linking to GEOS 3.9.0, GDAL 3.2.0, PROJ 7.2.0
Warning in data("boston", package = "spdep") :
  data set 'boston' not found
Warning in read.gwt2dist(file = "boston_nn_10.GWT", region.id = id1, skip = 1) :
  1, 65 are not destinations
Warning: Function stsls moved to the spatialreg package
Warning in stsls(log(CMEDV) ~ CRIM + ZN + INDUS + CHAS + I(NOX^2) + I(RM^2) +  :
  install the spatialreg package
Warning: Method summary.stsls moved to the spatialreg package
Warning in summary.stsls(res) : install the spatialreg package
Warning: Method print.summary.stsls moved to the spatialreg package
Warning in print.summary.stsls(res$value) :
  install the spatialreg package
Warning: Method residuals.stsls moved to the spatialreg package
Warning in residuals.stsls(x) : install the spatialreg package
Warning: Function stsls moved to the spatialreg package
Warning in stsls(log(CMEDV) ~ CRIM + ZN + INDUS + CHAS + I(NOX^2) + I(RM^2) +  :
  install the spatialreg package
Warning: Method summary.stsls moved to the spatialreg package
Warning in summary.stsls(res) : install the spatialreg package
Warning: Method print.summary.stsls moved to the spatialreg package
Warning in print.summary.stsls(res$value) :
  install the spatialreg package
Warning: Method residuals.stsls moved to the spatialreg package
Warning in residuals.stsls(x) : install the spatialreg package
Error: processing vignette 'sphet.Rnw' failed with diagnostics:
Running ‘texi2dvi’ on ‘sphet.tex’ failed.
LaTeX errors:
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
! Undefined control sequence.
<recently read> \Hy@colorlink 
                              
l.45 \begin{document}
                     
! Undefined control sequence.
\close@pdflink ->\Hy@endcolorlink 
                                  \Hy@VerboseLinkStop \pdfendlink 
l.45 \begin{document}
                     
--- failed re-building 'sphet.Rnw'

SUMMARY: processing the following file failed:
  'sphet.Rnw'

Error: Vignette re-building failed.
Execution halted