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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 Nebulosa
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* checking for file ‘Nebulosa/DESCRIPTION’ ... OK
* preparing ‘Nebulosa’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘introduction.Rmd’ using rmarkdown
2025-12-18 21:27:54.422 R[74788:139357597] XType: com.apple.fonts is not accessible.
2025-12-18 21:27:54.423 R[74788:139357597] XType: XTFontStaticRegistry is enabled.
--- finished re-building ‘introduction.Rmd’

--- re-building ‘nebulosa_seurat.Rmd’ using rmarkdown
Using method 'umap'
0%   10   20   30   40   50   60   70   80   90   100%
[----|----|----|----|----|----|----|----|----|----|
**************************************************|
0%   10   20   30   40   50   60   70   80   90   100%
[----|----|----|----|----|----|----|----|----|----|
**************************************************|

Quitting from nebulosa_seurat.Rmd:127-129 [plot_cd4]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
NULL
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Error: processing vignette 'nebulosa_seurat.Rmd' failed with diagnostics:
The `slot` argument of `FetchData()` was deprecated in SeuratObject
5.0.0 and is now defunct.
ℹ Please use the `layer` argument instead.
--- failed re-building ‘nebulosa_seurat.Rmd’

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

Error: Vignette re-building failed.
Execution halted