title: ERROR: code ELIFECYCLE npm ERR! errno 134
body: <p>To download the necessary modules(MSS), navigate with the terminal to the local folder on which the repository has been cloned by launching:</p>
  
  <pre><code>npm install
  </code></pre>
  
  <p>then I try to build the I project with:</p>
  
  <pre><code>npm run build-dev
  </code></pre>
  
  <p>but I get this error:</p>
  
  <pre><code>npm ERR! code ELIFECYCLE 
  npm ERR! errno 134 
  npm ERR! mss@1.1.2 build-dev: `gulp build --env node` 
  npm ERR! Exit status 134 
  npm ERR!
  npm ERR! Failed at the mss@1.1.2 build-dev script. 
  npm ERR! This is probably not a problem with npm. There is likely
  </code></pre>
  
  <p>additional logging output above.</p>
  
  <p>why?</p>