title: Laravel 5.3 failed to install Laravel Collective via Terminal
body: <p>I try to install Laravel Collective using this instruction <a href="https://laravelcollective.com/docs/5.3/html" rel="nofollow noreferrer">https://laravelcollective.com/docs/5.3/html</a> and I get this error. I'm using Laravel 5.3</p>
  
  <p><a href="https://i.stack.imgur.com/P3Idt.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/P3Idt.jpg" alt="enter image description here"></a>
  Can somebody explain how to solve this problem?</p>