Error(s) in re-building vignettes:
--- re-building ‘quickdemo.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 38-46 (quickdemo.Rmd) 
Error: processing vignette 'quickdemo.Rmd' failed with diagnostics:
1 components of `...` had unexpected names.

We detected these problematic arguments:
* `from`

Did you misspecify an argument?
Backtrace:
     █
  1. ├─tools:::.buildOneVignette(...)
  2. │ ├─base::tryCatch(...)
  3. │ │ └─base:::tryCatchList(expr, classes, parentenv, handlers)
  4. │ │   └─base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
  5. │ │     └─base:::doTryCatch(return(expr), name, parentenv, handler)
  6. │ └─engine$weave(file, quiet = quiet, encoding = enc)
  7. │   └─knitr:::vweave(...)
  8. │     └─(if (grepl("\\.[Rr]md$", file)) knit2html_v1 else if (grepl("\\.[Rr]rst$", ...
  9. │       └─knitr::knit2html(..., force_v1 = TRUE)
 10. │         └─knitr::knit(input, text = text, envir = envir, quiet = quiet)
 11. │           └─knitr:::process_file(text, output)
 12. │             ├─base::withCallingHandlers(...)
 13. │             ├─knitr:::process_group(group)
 14. │             └─knitr:::process_group.block(group)
 15. │               └─knitr:::call_block(x)
 16. │                 └─knitr:::block_exec(params)
 17. │                   ├─knitr:::in_dir(...)
 18. │                   └─knitr:::evaluate(...)
 19. │                     └─evaluate::evaluate(...)
 20. │                       └─evaluate:::evaluate_call(...)
 21. │                         ├─evaluate:::timing_fn(...)
 22. │                         ├─base:::handle(...)
 23. │                         ├─base::withCallingHandlers(...)
 24. │                         ├─base::withVisible(eval(expr, envir, enclos))
 25. │                         └─base::eval(expr, envir, enclos)
 26. │                           └─base::eval(expr, envir, enclos)
 27. └─confoundr::makehistory.one(...)
 28.   └─`%>%`(...)
 29.     ├─base::withVisible(eval(quote(`_fseq`(`_lhs`)), env, env))
 30.     └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
 31.       └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
 32.         └─confoundr:::`_fseq`(`_lhs`)
 33.           └─magrittr::freduce(value, `_function_list`)
 34.             └─function_list[[i]](value)
 35.               └─tidyr::unite(...)
 36.                 └─ellipsis::check_dots_unnamed()
 37.                   └─ellipsis:::stop_dots(...)
--- failed re-building ‘quickdemo.Rmd’

--- re-building ‘selectionbias.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) and/or pandoc-citeproc not available. Falling back to R Markdown v1.
Quitting from lines 154-164 (selectionbias.Rmd) 
Error: processing vignette 'selectionbias.Rmd' failed with diagnostics:
1 components of `...` had unexpected names.

We detected these problematic arguments:
* `from`

Did you misspecify an argument?
Backtrace:
     █
  1. ├─tools:::.buildOneVignette(...)
  2. │ ├─base::tryCatch(...)
  3. │ │ └─base:::tryCatchList(expr, classes, parentenv, handlers)
  4. │ │   └─base:::tryCatchOne(expr, names, parentenv, handlers[[1L]])
  5. │ │     └─base:::doTryCatch(return(expr), name, parentenv, handler)
  6. │ └─engine$weave(file, quiet = quiet, encoding = enc)
  7. │   └─knitr:::vweave(...)
  8. │     └─(if (grepl("\\.[Rr]md$", file)) knit2html_v1 else if (grepl("\\.[Rr]rst$", ...
  9. │       └─knitr::knit2html(..., force_v1 = TRUE)
 10. │         └─knitr::knit(input, text = text, envir = envir, quiet = quiet)
 11. │           └─knitr:::process_file(text, output)
 12. │             ├─base::withCallingHandlers(...)
 13. │             ├─knitr:::process_group(group)
 14. │             └─knitr:::process_group.block(group)
 15. │               └─knitr:::call_block(x)
 16. │                 └─knitr:::block_exec(params)
 17. │                   ├─knitr:::in_dir(...)
 18. │                   └─knitr:::evaluate(...)
 19. │                     └─evaluate::evaluate(...)
 20. │                       └─evaluate:::evaluate_call(...)
 21. │                         ├─evaluate:::timing_fn(...)
 22. │                         ├─base:::handle(...)
 23. │                         ├─base::withCallingHandlers(...)
 24. │                         ├─base::withVisible(eval(expr, envir, enclos))
 25. │                         └─base::eval(expr, envir, enclos)
 26. │                           └─base::eval(expr, envir, enclos)
 27. └─confoundr::makehistory.two(...)
 28.   └─`%>%`(...)
 29.     ├─base::withVisible(eval(quote(`_fseq`(`_lhs`)), env, env))
 30.     └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
 31.       └─base::eval(quote(`_fseq`(`_lhs`)), env, env)
 32.         └─confoundr:::`_fseq`(`_lhs`)
 33.           └─magrittr::freduce(value, `_function_list`)
 34.             └─function_list[[i]](value)
 35.               └─tidyr::unite(...)
 36.                 └─ellipsis::check_dots_unnamed()
 37.                   └─ellipsis:::stop_dots(...)
--- failed re-building ‘selectionbias.Rmd’

SUMMARY: processing the following files failed:
  ‘quickdemo.Rmd’ ‘selectionbias.Rmd’

Error: Vignette re-building failed.
Execution halted