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

Quitting from tRNA.Rmd:72-76 [unnamed-chunk-3]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `if (!is.null(value) && (nrx != lv)) ...`:
! missing value where TRUE/FALSE needed
---
Backtrace:
     ▆
  1. ├─tRNA::gettRNAstructureGRanges(gr, structure = "anticodonLoop")
  2. └─tRNA::gettRNAstructureGRanges(gr, structure = "anticodonLoop")
  3.   ├─tRNA::gettRNABasePairing(x)
  4.   └─tRNA::gettRNABasePairing(x)
  5.     ├─Structstrings::getBasePairing(strseq, return.sequence = with.nucleotides)
  6.     └─Structstrings::getBasePairing(strseq, return.sequence = with.nucleotides)
  7.       └─Structstrings (local) .local(x, compress)
  8.         └─methods::as(x, "CompressedSplitDotBracketDataFrameList")
  9.           └─Structstrings (local) asMethod(object)
 10.             └─Structstrings:::.get_pairing(from)
 11.               └─Structstrings:::.convert_char_type_to_character(ans@unlistData)
 12.                 ├─methods (local) `$<-`(`*tmp*`, "character", value = `<chr>`)
 13.                 └─S4Vectors (local) `$<-`(`*tmp*`, "character", value = `<chr>`)
 14.                   ├─methods (local) `[[<-`(`*tmp*`, name, value = `<chr>`)
 15.                   └─S4Vectors (local) `[[<-`(`*tmp*`, name, value = `<chr>`)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'tRNA.Rmd' failed with diagnostics:
missing value where TRUE/FALSE needed
--- failed re-building ‘tRNA.Rmd’

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

Error: Vignette re-building failed.
Execution halted