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### Running command:
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###   /home/biocbuild/R/R/bin/R CMD build --keep-empty-dirs --no-resave-data ontoProc
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* checking for file ‘ontoProc/DESCRIPTION’ ... OK
* preparing ‘ontoProc’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘ontoProc.Rmd’ using rmarkdown
Warning in doTryCatch(return(expr), name, parentenv, handler) :
  zero-length arrow is of indeterminate angle and so skipped

Quitting from lines 76-80 [lkor2srch] (ontoProc.Rmd)
Error: processing vignette 'ontoProc.Rmd' failed with diagnostics:
bfcadd() failed; see warnings()
--- failed re-building ‘ontoProc.Rmd’

--- re-building ‘owlents.Rmd’ using rmarkdown
--- finished re-building ‘owlents.Rmd’

SUMMARY: processing the following file failed:
  ‘ontoProc.Rmd’

Error: Vignette re-building failed.
Execution halted