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### Running command:
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###   /home/biocbuild/bbs-3.21-bioc/R/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:198-209 [unnamed-chunk-7]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `strsplit()`:
! non-character argument
---
Backtrace:
    ▆
 1. └─ncRNAtools::predictSecondaryStructure(tRNAfragment, "centroidFold")
 2.   └─ncRNAtools:::sendSecondaryStructureQuery(...)
 3.     └─ncRNAtools:::splitString(redirectURL, split = "req_id=")
 4.       ├─base::unlist(strsplit(string, split = split, ...))
 5.       └─base::strsplit(string, split = split, ...)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'ncRNAtools.Rmd' failed with diagnostics:
non-character argument
--- failed re-building ‘ncRNAtools.Rmd’

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

Error: Vignette re-building failed.
Execution halted