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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 Macarron
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* checking for file ‘Macarron/DESCRIPTION’ ... OK
* preparing ‘Macarron’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘Macarron.Rmd’ using rmarkdown
2025-06-19 16:57:46.032 R[18483:131638281] XType: Using static font registry.

Quitting from Macarron.Rmd:92-106 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! error in evaluating the argument 'x' in selecting a method for function 'as.data.frame': invalid 'n' - must contain at least one non-missing element, got none.
---
Backtrace:
     ▆
  1. ├─Macarron::Macarron(...)
  2. │ └─Macarron::showBest(...)
  3. │   ├─BiocGenerics::as.data.frame(...)
  4. │   ├─base::do.call(rbind, lapply(test.phenotypes, digest.each))
  5. │   └─base::lapply(test.phenotypes, digest.each)
  6. │     └─Macarron (local) FUN(X[[i]], ...)
  7. │       ├─utils::head(...)
  8. │       └─utils (local) head.data.frame(...)
  9. │         └─utils::.checkHT(n, d <- dim(x))
 10. │           └─base::stop(simpleError(msg, call = sys.call(-1L)))
 11. └─base (local) `<fn>`(`<smplErrr>`)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'Macarron.Rmd' failed with diagnostics:
error in evaluating the argument 'x' in selecting a method for function 'as.data.frame': invalid 'n' - must contain at least one non-missing element, got none.
--- failed re-building ‘Macarron.Rmd’

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

Error: Vignette re-building failed.
Execution halted