Error(s) in re-building vignettes:
--- re-building 'lclGWAS.Rnw' using knitr
Warning in system(paste(shQuote(texi2dvi), if (quiet) "--quiet" else "",  :
  running command '"C:\PROGRA~1\MiKTeX\miktex\bin\x64\texify.exe" --quiet --pdf "lclGWAS.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 'lclGWAS.Rnw' failed with diagnostics:
running 'texi2dvi' on 'lclGWAS.tex' failed

LaTeX errors:
lclGWAS.vrb:5: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:6: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:7: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:8: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:9: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:10: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:11: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:12: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:13: LaTeX Error: \begin{beamer@framepauses} on input line 112 ended
 by \end{description}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
lclGWAS.tex:112: LaTeX Error: \begin{beamer@frameslide} on input line 112 ended
 by \end{beamer@framepauses}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
lclGWAS.tex:112: LaTeX Error: \begin{document} ended by \end{beamer@frameslide}
.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
lclGWAS.vrb:5: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:6: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:7: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:8: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:9: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:10: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:11: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:12: LaTeX Error: Lonely \item--perhaps a missing list environment.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
lclGWAS.vrb:13: LaTeX Error: \begin{beamer@framepauses} on input line 135 ended
 by \end{description}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
lclGWAS.tex:135: LaTeX Error: \begin{beamer@frameslide} on input line 135 ended
 by \end{beamer@framepauses}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
lclGWAS.tex:135: LaTeX Error: \begin{document} ended by \end{beamer@frameslide}
.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.

--- failed re-building 'lclGWAS.Rnw'

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

Error: Vignette re-building failed.
Execution halted