tsinflam2

After "npm install" (I use 4.1.2 version of node.js) and type "gulp" the following error pops up. Any advice? ``` ~/Desktop/rosweb$ gulp build /home/johnny-xxxx/Desktop/rosweb/node_modules/gulp-sass/node_modules/node-sass/lib/binding.js:13 throw new Error(errors.unsupportedEnvironment()); ^ Error: Node...