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

Quitting from SpectraQL.Rmd:68-75 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `h()`:
! 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. ├─Spectra::Spectra(fl)
 2. ├─Spectra::Spectra(fl)
 3. │ └─Spectra (local) .local(object, ...)
 4. │   ├─Spectra:::.create_spectra(...)
 5. │   │ └─ProtGenerics::backendInitialize(...)
 6. │   └─Spectra::MsBackendMzR()
 7. │     └─base::stop(...)
 8. └─base::.handleSimpleError(...)
 9.   └─base (local) h(simpleError(msg, call))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'SpectraQL.Rmd' failed with diagnostics:
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 ‘SpectraQL.Rmd’

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

Error: Vignette re-building failed.
Execution halted