[Please keep the cc to the list for others to follow the issue.] Yes, use the latest. And in Terminal, run the command 'xcode-select --install'. > On 22 Aug 2020, at 21:45, Soroush, Masoud <msoroush at coppin.edu> wrote: > > Thank you for your prompt reply! So, do I need to install the latest xcode (from AppStore)?