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

Quitting from lines 171-198 [unnamed-chunk-4] (dittoSeq.Rmd)
Error: processing vignette 'dittoSeq.Rmd' failed with diagnostics:
the condition has length > 1
--- failed re-building 'dittoSeq.Rmd'

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

Error: Vignette re-building failed.
Execution halted