Error(s) in re-building vignettes:
  ...
--- re-building ‘rbioapi.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Retrieving taxonomic nodes that their scientific name field contain adenovirus (page 1).
Iterating from page 1 to page 3.
Retrieving taxonomic nodes that their scientific name field contain adenovirus (page 1).
Retrieving taxonomic nodes that their scientific name field contain adenovirus (page 2).
Retrieving taxonomic nodes that their scientific name field contain adenovirus (page 3).
--- finished re-building ‘rbioapi.Rmd’

--- re-building ‘rbioapi_enrichr.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Retrieving List of available libraries and statistics from Enrichr human.
Quitting from lines 57-67 (rbioapi_enrichr.Rmd) 
Error: processing vignette 'rbioapi_enrichr.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘rbioapi_enrichr.Rmd’

--- re-building ‘rbioapi_jaspar.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Retrieving a list of all releases of JASPAR database.
Retrieving a details of JASPAR database release number 7.
Retrieving a list of collections available in JASPAR release 2020.
Retrieving a list of matrix profiles available in JASPAR CORE collection release 2020 (page 1).
Retrieving a list of taxonomic groups available in JASPAR release 2020.
Retrieving a list of matrix profiles of taxonomic group insects available in JASPAR release 2020 (page 1).
Retrieving a list of species available in JASPAR release 2020.
Retrieving a list of matrix profiles of species 9606 available in JASPAR release 2020 (page 1).
Retrieving details of matrix profile with ID MA0600.2.
Retrieving details of TFFM profile with ID TFFM0056.3.
--- finished re-building ‘rbioapi_jaspar.Rmd’

--- re-building ‘rbioapi_mieaa.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
--- finished re-building ‘rbioapi_mieaa.Rmd’

--- re-building ‘rbioapi_panther.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Quitting from lines 86-96 (rbioapi_panther.Rmd) 
Error: processing vignette 'rbioapi_panther.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘rbioapi_panther.Rmd’

--- re-building ‘rbioapi_reactome.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Retrieving Reactome Analysis Results of your supplied Identifiers.
Quitting from lines 75-86 (rbioapi_reactome.Rmd) 
Error: processing vignette 'rbioapi_reactome.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘rbioapi_reactome.Rmd’

--- re-building ‘rbioapi_string.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Mapping 14 Input Identifiers to STRING Identifiers.
Retrieving STRING Network interaction of 14 Input Identifiers.
Quitting from lines 95-105 (rbioapi_string.Rmd) 
Error: processing vignette 'rbioapi_string.Rmd' failed with diagnostics:
there is no package called 'webshot'
--- failed re-building ‘rbioapi_string.Rmd’

--- re-building ‘rbioapi_uniprot.Rmd’ using rmarkdown
Warning in engine$weave(file, quiet = quiet, encoding = enc) :
  Pandoc (>= 1.12.3) not available. Falling back to R Markdown v1.
Retrieving UniProt Entity with accession number P29965.
Searching UniProt and retrieving proteins that match your supplied inputs.
Searching UniProt and retrieving proteins that match your supplied inputs.
Searching UniProt and retrieving proteins that match your supplied inputs.
Searching UniProt and retrieving proteins that match your supplied inputs.
Searching UniProt and retrieving proteins that match your supplied inputs.
--- finished re-building ‘rbioapi_uniprot.Rmd’

SUMMARY: processing the following files failed:
  ‘rbioapi_enrichr.Rmd’ ‘rbioapi_panther.Rmd’ ‘rbioapi_reactome.Rmd’
  ‘rbioapi_string.Rmd’

Error: Vignette re-building failed.
Execution halted