Unable to install package for Set Up the BOTanicals App

I am trying to complete the "Set Up the BOTanicals App" unit of the "Use Apex to Automate Business Processes" project but I am not able to install the package (Package id- 04t2E000002h8DI). I created a new playground twice. I am getting this error message - This package can’t be installed. I saw many people are having this issue but could not find any resolution for it. Please help.