Error(s) in re-building vignettes:
  ...
--- re-building ‘PCMBase.Rmd’ using rmarkdown
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'PCMBase.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building ‘PCMBase.Rmd’

--- re-building ‘PCMCreateModel.Rmd’ using rmarkdown
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'PCMCreateModel.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building ‘PCMCreateModel.Rmd’

--- re-building ‘PCMParam.Rmd’ using rmarkdown
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'PCMParam.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building ‘PCMParam.Rmd’

--- re-building ‘PCMTracePruning.Rmd’ using rmarkdown
pandoc-citeproc: Error in $: Incompatible API versions: encoded with [1,20] but attempted to decode with [1,17,5,4].
CallStack (from HasCallStack):
  error, called at ./Text/Pandoc/JSON.hs:111:48 in pandoc-types-1.17.5.4-5tHZ3B61A58JaKOMxwGQR4:Text.Pandoc.JSON
Error running filter /usr/bin/pandoc-citeproc:
Filter returned error status 1
Error: processing vignette 'PCMTracePruning.Rmd' failed with diagnostics:
pandoc document conversion failed with error 83
--- failed re-building ‘PCMTracePruning.Rmd’

SUMMARY: processing the following files failed:
  ‘PCMBase.Rmd’ ‘PCMCreateModel.Rmd’ ‘PCMParam.Rmd’
  ‘PCMTracePruning.Rmd’

Error: Vignette re-building failed.
Execution halted