No longer on CRAN, apologies for any inconvenience this may cause.
The development version be obtained from github in a variety of ways.
# install.packages("remotes")
remotes::install_github("devOpifex/erratum")
# install.packages("devtools")
devtools::install_github("devOpifex/erratum")
# install.packages("pak")
pak::pkg_install("devOpifex/erratum")
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