Error(s) in re-building vignettes:
--- re-building 'combine_maptools.Rnw' using Sweave
Loading required package: sp
Checking rgeos availability: TRUE
Please note that 'maptools' will be retired during 2023,
plan transition at your earliest convenience;
some functionality will be moved to 'sp'.
Warning: shapelib support is provided by GDAL through the sf and terra packages among others
Warning: shapelib support is provided by GDAL through the sf and terra paackages among others
Warning: shapelib support is provided by GDAL through the sf and terra packages among others
Warning: shapelib support is provided by GDAL through the sf and terra packages among others
Warning: shapelib support is provided by GDAL through the sf and terra paackages among others
Warning: shapelib support is provided by GDAL through the sf and terra packages among others
Warning: shapelib support is provided by GDAL through the sf and terra packages among others
Warning: shapelib support is provided by GDAL through the sf and terra paackages among others
Warning: shapelib support is provided by GDAL through the sf and terra packages among others
Warning: non-unique values when setting 'row.names': '37055', '37095'
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"D:\compiler\texmf\miktex\bin\texify.exe" --quiet --pdf "combine_maptools.tex" --max-iterations=20 -I "D:/RCompile/recent/R-4.1.3/share/texmf/tex/latex" -I "D:/RCompile/recent/R-4.1.3/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'combine_maptools.Rnw' failed with diagnostics:
Failed to locate 'texi2pdf' output file 'combine_maptools.pdf' for vignette with name 'combine_maptools' and engine 'utils::Sweave'. The following files exist in working directory 'd:\RCompile\CRANpkg\local\4.1\maptools.Rcheck\vign_test\maptools\vignettes': 'Fig-bitmap-1.pdf' (150250 bytes), 'Fig-bitmap-2.pdf' (185969 bytes), 'combine_maptools.Rnw' (15460 bytes), 'combine_maptools.tex' (15438 bytes)
--- failed re-building 'combine_maptools.Rnw'

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

Error: Vignette re-building failed.
Execution halted