I always get this error message when I run \"Ionic start project name\":
Running command - failed![ERROR] An error occurred while run
Tried all above/older brew installation answers, none is working for my laptop.
Only below method could fix my issue.
1) Run following commands:
sudo rm -rf /usr/local/lib/node_modules/npm
brew uninstall --force node
2) Then, proceed to Node.js Official Website https://nodejs.org/en/download/current/ to download latest package for new installation.
3) Run your npm command again, which should longer have any errors.
This method is working on macOS Mojave Version 10.14.4.