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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 MetaboAnnotation
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* checking for file ‘MetaboAnnotation/DESCRIPTION’ ... OK
* preparing ‘MetaboAnnotation’:
* checking DESCRIPTION meta-information ... OK
* installing the package (it is needed to build vignettes)
* creating vignettes ... ERROR
--- re-building ‘MetaboAnnotation.Rmd’ using rmarkdown

Quitting from MetaboAnnotation.Rmd:343-357 [unnamed-chunk-21]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `h()`:
! error in evaluating the argument 'object' in selecting a method for function 'filterMsLevel': error in evaluating the argument 'object' in selecting a method for function 'backendInitialize': The use of 'MsBackendMzR' requires package 'mzR'. Please install with 'BiocInstaller::install("mzR")'
---
Backtrace:
     ▆
  1. ├─ProtGenerics::filterMsLevel(Spectra(fl), 2L)
  2. ├─Spectra::Spectra(fl)
  3. ├─Spectra::Spectra(fl)
  4. │ └─Spectra (local) .local(object, ...)
  5. │   ├─Spectra:::.create_spectra(...)
  6. │   │ └─ProtGenerics::backendInitialize(...)
  7. │   └─Spectra::MsBackendMzR()
  8. │     └─base::stop(...)
  9. ├─base::.handleSimpleError(...)
 10. │ └─base (local) h(simpleError(msg, call))
 11. └─base::.handleSimpleError(...)
 12.   └─base (local) h(simpleError(msg, call))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'MetaboAnnotation.Rmd' failed with diagnostics:
error in evaluating the argument 'object' in selecting a method for function 'filterMsLevel': error in evaluating the argument 'object' in selecting a method for function 'backendInitialize': The use of 'MsBackendMzR' requires package 'mzR'. Please install with 'BiocInstaller::install("mzR")'
--- failed re-building ‘MetaboAnnotation.Rmd’

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

Error: Vignette re-building failed.
Execution halted