Error(s) in re-building vignettes:
  ...
--- re-building ‘A100-DoseSelectors.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.
--- finished re-building ‘A100-DoseSelectors.Rmd’

--- re-building ‘A205-CRM.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.
Loading required package: magrittr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 326-334 (A205-CRM.Rmd) 
Error: processing vignette 'A205-CRM.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘A205-CRM.Rmd’

--- re-building ‘A207-NBG.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 100-102 (A207-NBG.Rmd) 
Error: processing vignette 'A207-NBG.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘A207-NBG.Rmd’

--- re-building ‘A210-TPI.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.
Loading required package: magrittr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 155-156 (A210-TPI.Rmd) 
Error: processing vignette 'A210-TPI.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘A210-TPI.Rmd’

--- re-building ‘A220-mTPI.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.
Loading required package: magrittr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

Quitting from lines 165-168 (A220-mTPI.Rmd) 
Error: processing vignette 'A220-mTPI.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘A220-mTPI.Rmd’

--- re-building ‘A230-BOIN.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.
Loading required package: magrittr
Quitting from lines 121-125 (A230-BOIN.Rmd) 
Error: processing vignette 'A230-BOIN.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘A230-BOIN.Rmd’

--- re-building ‘A600-DosePaths.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.
--- finished re-building ‘A600-DosePaths.Rmd’

--- re-building ‘A700-Simulation.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.
Loading required package: magrittr

Attaching package: 'dplyr'

The following objects are masked from 'package:stats':

    filter, lag

The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union

--- finished re-building ‘A700-Simulation.Rmd’

SUMMARY: processing the following files failed:
  ‘A205-CRM.Rmd’ ‘A207-NBG.Rmd’ ‘A210-TPI.Rmd’ ‘A220-mTPI.Rmd’
  ‘A230-BOIN.Rmd’

Error: Vignette re-building failed.
Execution halted