yp ERR! stack Error: EACCES: permission denied, mkdir '/var/www/html/admin/node_modules/node-sass/.node-gyp' code example

Example: Error: EACCES: permission denied, mkdir '/Users/f5238390/Sites/pyramid-ui/node_modules/node-sass/build

sudo chown -R root:YOUR_USERNAME /usr/local/lib/node_modules/

sudo chmod -R 775 /usr/local/lib/node_modules/