path /Users/erik/.npm/_cacache/index-v5/ab/a6/079836a3c186b5fd2d717a4

npm ERR! code EACCES
npm ERR! errno -13
npm ERR! syscall open
npm ERR! Error: EACCES: permission denied

node-pre-gyp ERR! build error
node-pre-gyp ERR! stack Error: Failed to execute /usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js

npm -v