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

Quitting from MsBackendMetaboLights.Rmd:102-110 [unnamed-chunk-6]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `file()`:
! cannot open the connection to 'ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS39/a_MTBLS39_the_plasticity_of_the_grapevine_berry_transcriptome_metabolite_profiling_mass_spectrometry.txt'
---
Backtrace:
    ▆
 1. └─utils::read.table(...)
 2.   └─base::file(file, "rt")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'MsBackendMetaboLights.Rmd' failed with diagnostics:
cannot open the connection to 'ftp://ftp.ebi.ac.uk/pub/databases/metabolights/studies/public/MTBLS39/a_MTBLS39_the_plasticity_of_the_grapevine_berry_transcriptome_metabolite_profiling_mass_spectrometry.txt'
--- failed re-building ‘MsBackendMetaboLights.Rmd’

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

Error: Vignette re-building failed.
Execution halted