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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 scruff
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* checking for file ‘scruff/DESCRIPTION’ ... OK
* preparing ‘scruff’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘scruff.Rmd’ using rmarkdown
2025-09-22 17:40:35.128 R[32727:295371253] XType: Using static font registry.

Quitting from scruff.Rmd:218-227 [visualize_reads]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! unable to find an inherited method for function 'geom_arrow' for signature 'data = "ggplot2::mapping"'
---
Backtrace:
    ▆
 1. └─scruff::rview(bamExample, chr = "MT", start = start, end = end)
 2.   └─ggbio::geom_arrow(ggplot2::aes(color = umi))
 3.     └─methods (local) `<fn>`(`<list>`, `<stndrdGn>`, `<env>`)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'scruff.Rmd' failed with diagnostics:
unable to find an inherited method for function 'geom_arrow' for signature 'data = "ggplot2::mapping"'
--- failed re-building ‘scruff.Rmd’

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

Error: Vignette re-building failed.
Execution halted