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### Running command:
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###   chmod a+r ReactomeGSA -R && F:\biocbuild\bbs-3.20-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data ReactomeGSA
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* checking for file 'ReactomeGSA/DESCRIPTION' ... OK
* preparing 'ReactomeGSA':
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building 'analysing-scRNAseq.Rmd' using rmarkdown

Quitting from analysing-scRNAseq.Rmd:86-93 [unnamed-chunk-5]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! unable to find an inherited method for function 'pathways' for signature 'x = "NULL"'
---
Backtrace:
    ▆
 1. └─ReactomeGSA::pathways(gsva_result)
 2.   └─methods (local) `<fn>`(`<list>`, `<stndrdGn>`, `<env>`)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'analysing-scRNAseq.Rmd' failed with diagnostics:
unable to find an inherited method for function 'pathways' for signature 'x = "NULL"'
--- failed re-building 'analysing-scRNAseq.Rmd'

--- re-building 'reanalysing-public-data.Rmd' using rmarkdown
--- finished re-building 'reanalysing-public-data.Rmd'

--- re-building 'using-reactomegsa.Rmd' using rmarkdown
--- finished re-building 'using-reactomegsa.Rmd'

SUMMARY: processing the following file failed:
  'analysing-scRNAseq.Rmd'

Error: Vignette re-building failed.
Execution halted