Package: tidyft
Check: re-building of vignette outputs
New result: ERROR
  Error(s) in re-building vignettes:
    ...
  --- re-building ‘Introduction.Rmd’ using rmarkdown
  
  Quitting from lines 113-183 [unnamed-chunk-5] (Introduction.Rmd)
  Error: processing vignette 'Introduction.Rmd' failed with diagnostics:
  object 'res1' not found
  --- failed re-building ‘Introduction.Rmd’
  
  SUMMARY: processing the following file failed:
    ‘Introduction.Rmd’
  
  Error: Vignette re-building failed.
  Execution halted