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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data ncRNAtools
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* checking for file ‘ncRNAtools/DESCRIPTION’ ... OK
* preparing ‘ncRNAtools’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘ncRNAtools.Rmd’ using rmarkdown

Quitting from ncRNAtools.Rmd:163-178 [unnamed-chunk-6]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `FUN()`:
! object of type 'externalptr' is not subsettable
---
Backtrace:
    ▆
 1. └─ncRNAtools::rnaCentralGenomicCoordinatesSearch(...)
 2.   ├─base::grepl("^URS", unlist(lapply(parsedResult, `[`, "external_name")))
 3.   │ └─base::is.factor(x)
 4.   ├─base::unlist(lapply(parsedResult, `[`, "external_name"))
 5.   └─base::lapply(parsedResult, `[`, "external_name")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'ncRNAtools.Rmd' failed with diagnostics:
object of type 'externalptr' is not subsettable
--- failed re-building ‘ncRNAtools.Rmd’

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

Error: Vignette re-building failed.
Execution halted