Командная строка create-response-app newproject у меня не работает

по какой-то причине я заканчиваю тем, что "команда не найдена", когда я набираю команду newproject create-response-app. Это давало мне эту ошибку:

npm WARN checkPermissions Missing write access to /Users/kennyquach/.npm-global/lib/node_modules/create-react-app
npm ERR! path /Users/kennyquach/.npm-global/lib/node_modules/create-react-app
npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall access
npm ERR! Error: EACCES: permission denied, access '/Users/kennyquach/.npm-global/lib/node_modules/create-react-app'
npm ERR!  { Error: EACCES: permission denied, access '/Users/kennyquach/.npm-global/lib/node_modules/create-react-app'
npm ERR!   stack: 'Error: EACCES: permission denied, access \'/Users/kennyquach/.npm-global/lib/node_modules/create-react-app\'',
npm ERR!   errno: -13,
npm ERR!   code: 'EACCES',
npm ERR!   syscall: 'access',
npm ERR!   path: '/Users/kennyquach/.npm-global/lib/node_modules/create-react-app' }
npm ERR! 
npm ERR! The operation was rejected by your operating system.
npm ERR! It is likely you do not have the permissions to access this file as the current user
npm ERR! 
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator (though this is not recommended).

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/kennyquach/.npm/_logs/2018-11-28T17_50_32_739Z-debug.log

любая помощь приветствуется! Спасибо!