When you upgraded the R installed on your machine to a newer version which is not supported by Exploratory Desktop yet, you need to uninstall the R and re-install Exploratory Desktop to fix the R package compatibility issues.This document explains how to do it.
Open Terminal App then copy and pate below command and hit Enter key.
$ sudo rm -rf /Library/Frameworks/R.framework \
/Applications/R.app \
/usr/bin/R \
/usr/bin/Rscript \
/usr/local/bin/R
You will be asked to type in admin password like below so type in the admin password then hit enter key.
Re-start Exploratory Desktop and perform R and R packages installation from the Installation UI.
Go to the installation folder of R 4.1. By default, it's installed under Program Files.
Find uninstall.exe or unins000.exe and double click it. Follow the instruction and uninstall i.t
Re-start Exploratory Desktop and perform R and R packages installation from the Installation UI.