title: Shopware 6 Command './psh.phar administration:build.' is not working
body: <p>I am using Shopware 6. I am creating the module which dispaly component ( Grid ) in back-end.</p>
  
  <p>When building the administration via the command <code>./psh.phar administration:build</code> it said that no such file directory so can anyone help me to move forward ?</p>
  
  <p>Thanks in advance.</p>