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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data TFARM
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* checking for file ‘TFARM/DESCRIPTION’ ... OK
* preparing ‘TFARM’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘TFARM.Rnw’ using knitr
Error: processing vignette 'TFARM.Rnw' failed with diagnostics:
Running 'texi2dvi' on 'TFARM.tex' failed.
LaTeX errors:
! Undefined control sequence.
l.89 \hlkwd{library}\hldef
                          {(TFARM)}
? 
! Emergency stop.
! Emergency stop.
l.89 
     
End of file on the terminal!

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

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

Error: Vignette re-building failed.
Execution halted