Error(s) in re-building vignettes:
  ...
--- re-building ‘classes.Rmd’ using rmarkdown
Quitting from lines 32-39 (classes.Rmd) 
Error: processing vignette 'classes.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/hornik/tmp/scratch/Rtmp1KLpF3/tex_temp.tex ' not fou
nd.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...rnik/tmp/scratch/Rtmp1KLpF3/tex_temp.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘classes.Rmd’

--- re-building ‘kable.Rmd’ using rmarkdown
Quitting from lines 53-57 (kable.Rmd) 
Error: processing vignette 'kable.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/hornik/tmp/scratch/RtmpEOvJQK/tex_temp.tex ' not fou
nd.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...rnik/tmp/scratch/RtmpEOvJQK/tex_temp.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘kable.Rmd’

--- re-building ‘rmarkdown.Rmd’ using rmarkdown
Quitting from lines 34-38 (rmarkdown.Rmd) 
Error: processing vignette 'rmarkdown.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/hornik/tmp/scratch/RtmpipXOEo/tex_temp.tex ' not fou
nd.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...rnik/tmp/scratch/RtmpipXOEo/tex_temp.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘rmarkdown.Rmd’

--- re-building ‘slickr.Rmd’ using rmarkdown
Quitting from lines 46-50 (slickr.Rmd) 
Error: processing vignette 'slickr.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/texPreview.
Rcheck/vign_test/texPreview/vignettes/slickr_files/figure-html/kable-1.tex ' no
t found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.17 ...tes/slickr_files/figure-html/kable-1.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘slickr.Rmd’

--- re-building ‘tests_and_coverage.Rmd’ using rmarkdown
--- finished re-building ‘tests_and_coverage.Rmd’

--- re-building ‘tex_packages.Rmd’ using rmarkdown
--- finished re-building ‘tex_packages.Rmd’

--- re-building ‘tikz.Rmd’ using rmarkdown
Quitting from lines 50-51 (tikz.Rmd) 
Error: processing vignette 'tikz.Rmd' failed with diagnostics:
 
! LaTeX Error: File `/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/texPreview.
Rcheck/vign_test/texPreview/vignettes/tikz_files/figure-html/tikz-1.tex ' not f
ound.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: tex )

Enter file name: 
! Emergency stop.
<read *> 
 
l.18 ...nettes/tikz_files/figure-html/tikz-1.tex }
 ^^M 
!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘tikz.Rmd’

SUMMARY: processing the following files failed:
  ‘classes.Rmd’ ‘kable.Rmd’ ‘rmarkdown.Rmd’ ‘slickr.Rmd’ ‘tikz.Rmd’

Error: Vignette re-building failed.
Execution halted