Error(s) in re-building vignettes:
--- re-building 'vegdata.Rnw' using knitr
trying URL 'https://germansl.infinitenature.org/GermanSL/1.4/GermanSL.zip'
 length 2207613 bytes (2.1 MB)
==================================================
downloaded 2.1 MB

Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "vegdata.tex" --max-iterations=20 -I "C:/r_packages/rinst/share/texmf/tex/latex" -I "C:/r_packages/rinst/share/texmf/bibtex/bst"' had status 1
Error: processing vignette 'vegdata.Rnw' failed with diagnostics:
running 'texi2dvi' on 'vegdata.tex' failed

LaTeX errors:
vegdata.tex:141: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:151: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:161: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:171: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:183: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:197: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:208: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:214: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:216: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
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vegdata.tex:218: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:243: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:249: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:275: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:302: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:311: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:324: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:429: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:437: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:481: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:497: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:514: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:539: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:558: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:577: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:595: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:627: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:656: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:668: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:679: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:705: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:717: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:734: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:741: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:753: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:763: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:775: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:790: Package xcolor Error: Undefined color `fgcolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:796: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor package documentation for explanation.
Type  H <return>  for immediate help.
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vegdata.tex:798: Package xcolor Error: Undefined color `messagecolor'.

See the xcolor 
--- failed re-building 'vegdata.Rnw'

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

Error: Vignette re-building failed.
Execution halted