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### Running command:
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###   /home/biocbuild/bbs-3.17-bioc/R/bin/R CMD build --keep-empty-dirs --no-resave-data LowMACA
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* checking for file ‘LowMACA/DESCRIPTION’ ... OK
* preparing ‘LowMACA’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘LowMACA.Rmd’ using rmarkdown
Can't locate XML/Simple.pm in @INC (you may need to install the XML::Simple module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.34.0 /usr/local/share/perl/5.34.0 /usr/lib/x86_64-linux-gnu/perl5/5.34 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl-base /usr/lib/x86_64-linux-gnu/perl/5.34 /usr/share/perl/5.34 /usr/local/lib/site_perl).
BEGIN failed--compilation aborted.
Can't locate XML/Simple.pm in @INC (you may need to install the XML::Simple module) (@INC contains: /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.34.0 /usr/local/share/perl/5.34.0 /usr/lib/x86_64-linux-gnu/perl5/5.34 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl-base /usr/lib/x86_64-linux-gnu/perl/5.34 /usr/share/perl/5.34 /usr/local/lib/site_perl).
BEGIN failed--compilation aborted.

Quitting from lines 159-160 [fourthchunkBis] (LowMACA.Rmd)
Error: processing vignette 'LowMACA.Rmd' failed with diagnostics:
could not find function "myFunc"
--- failed re-building ‘LowMACA.Rmd’

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

Error: Vignette re-building failed.
Execution halted