Error(s) in re-building vignettes:
--- re-building ‘dnr_vignette.Rnw’ using knitr
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Warning: 'mode(width)' differs between new and previous
	 ==> NOT changing 'width'
Error: processing vignette 'dnr_vignette.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'dnr_vignette.tex' failed.
LaTeX errors:
! Undefined control sequence.
l.86 \hlkwd{suppressMessages}\hldef
                                   {(}\hlkwd{library}\hldef{(dnr))}
? 
! Emergency stop.
! Emergency stop.
l.86 
     
End of file on the terminal!

!  ==> Fatal error occurred, no output PDF file produced!
--- failed re-building ‘dnr_vignette.Rnw’

SUMMARY: processing the following file failed:
  ‘dnr_vignette.Rnw’

Error: Vignette re-building failed.
Execution halted