Running examples in ‘dmdScheme-Ex.R’ failed
The error most likely occurred in:

> ### Name: report
> ### Title: Generic function for creating a report from an object 'x'
> ### Aliases: report report.character report.dmdScheme_validation
> 
> ### ** Examples
> 
> ## Report of `dmdScheme_validation`
> report( scheme_path_xlsx() )
Validating Experiment
Validating Genus
Validating Treatments
Validating Measurement
Validating DataExtraction
Validating DataFileMetaData


processing file: validation_report.Rmd
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label: info
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output file: validation_report.knit.md

/usr/local/bin/pandoc +RTS -K512m -RTS validation_report.utf8.md --to html4 --from markdown+autolink_bare_uris+tex_math_single_backslash+smart --output validation_report.html --email-obfuscation none --self-contained --standalone --section-divs --table-of-contents --toc-depth 3 --variable toc_float=1 --variable toc_selectors=h1,h2,h3 --variable toc_collapsed=1 --variable toc_smooth_scroll=1 --variable toc_print=1 --template /Volumes/Builds/packages/high-sierra-x86_64/Rlib/4.0/rmarkdown/rmd/h/default.html --no-highlight --variable highlightjs=1 --number-sections --variable 'theme:bootstrap' --include-in-header /var/folders/08/nc4f1s3x1jqd9ln5mnvrqzqh0000gp/T//RtmpWcrKvL/rmarkdown-str143346d775207.html --mathjax --variable 'mathjax-url:https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML' --lua-filter /Volumes/Builds/packages/high-sierra-x86_64/Rlib/4.0/rmarkdown/rmd/lua/pagebreak.lua --lua-filter /Volumes/Builds/packages/high-sierra-x86_64/Rlib/4.0/rmarkdown/rmd/lua/latex-div.lua 
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: pandoc document conversion failed with error 6
Execution halted