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### Running command:
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###   /home/biocbuild/R/R/bin/R CMD build --keep-empty-dirs --no-resave-data OmnipathR
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* checking for file ‘OmnipathR/DESCRIPTION’ ... OK
* preparing ‘OmnipathR’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘bioc_workshop.Rmd’ using rmarkdown
Error: processing vignette 'bioc_workshop.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘bioc_workshop.Rmd’

--- re-building ‘cosmos.Rmd’ using rmarkdown
Error: processing vignette 'cosmos.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘cosmos.Rmd’

--- re-building ‘db_manager.Rmd’ using rmarkdown
Error: processing vignette 'db_manager.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘db_manager.Rmd’

--- re-building ‘drug_targets.Rmd’ using rmarkdown
Error: processing vignette 'drug_targets.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘drug_targets.Rmd’

--- re-building ‘extra_attrs.Rmd’ using rmarkdown
Error: processing vignette 'extra_attrs.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘extra_attrs.Rmd’

--- re-building ‘nichenet.Rmd’ using rmarkdown
Error: processing vignette 'nichenet.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘nichenet.Rmd’

--- re-building ‘omnipath_intro.Rmd’ using rmarkdown
Error: processing vignette 'omnipath_intro.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘omnipath_intro.Rmd’

--- re-building ‘paths.Rmd’ using rmarkdown
Error: processing vignette 'paths.Rmd' failed with diagnostics:
Pandoc is required to build R Markdown vignettes but not available. Please make sure it is installed.
--- failed re-building ‘paths.Rmd’

SUMMARY: processing the following files failed:
  ‘bioc_workshop.Rmd’ ‘cosmos.Rmd’ ‘db_manager.Rmd’ ‘drug_targets.Rmd’
  ‘extra_attrs.Rmd’ ‘nichenet.Rmd’ ‘omnipath_intro.Rmd’ ‘paths.Rmd’

Error: Vignette re-building failed.
Execution halted