Clean reinstall Appcelerator Studio to the Mac.

At first, remove the Studio from Applications plus the following for a clean state


sudo rm -rf ~/.appcelerator
sudo rm -rf ~/.titanium
sudo npm uninstall -g titanium
sudo npm uninstall -g alloy
sudo npm uninstall -g acs
sudo npm uninstall -g appcelerator

Check your node version and java version then make it compatible according to the doc link


https://platform.appcelerator.com/#/product/cli
http://docs.appcelerator.com/platform/latest/#!/guide/Installing_Oracle_JDK-section-src-29004850_InstallingOracleJDK-OSX

 Then install CLI manually via the terminal respectively


sudo npm install -g appcelerator
appc use latest
appc setup -l trace
sudo npm install -g alloy

Finally, take a fresh copy of Appcelerator Studio and install it in your machine. It will automatically install all dependencies.


https://web.appcelerator.com/product/studio

Then open the studio and let me know how it goes.