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### Running command:
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###   chmod a+r signeR -R && C:\Users\biocbuild\bbs-3.20-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data signeR
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* checking for file 'signeR/DESCRIPTION' ... OK
* preparing 'signeR':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to process help pages
* saving partial Rd database
* creating vignettes ... ERROR
--- re-building 'signeRFlow.Rmd' using rmarkdown
Error: processing vignette 'signeRFlow.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building 'signeRFlow.Rmd'

--- re-building 'signeR-vignette.Rhtml' using knitr
--- finished re-building 'signeR-vignette.Rhtml'

SUMMARY: processing the following file failed:
  'signeRFlow.Rmd'

Error: Vignette re-building failed.
Execution halted