Hi I couldn't run this tutorial, the following is a reprex() of it, I removed the backtrack as its quite lengthy:
learnr::run_tutorial("holding_the_chaos_at_bay", package = "DoSStoolkit")
#> processing file: holding_the_chaos_at_bay.Rmd
#> Quitting from lines 1094-1098 (holding_the_chaos_at_bay.Rmd)
#> Error in is_chunk_empty_or_mismatched_exercise():
#> ! Cannot create exercise 'col-names1': duplicate chunk label
#> Backtrace:
...