title: laravel 5.2 Method [validate1] does not exist
body: <p>My validation fails with this:</p>
  
  <pre><code>$this-&gt;validate($request, [
              'name'           =&gt; ['required'],
              'email'          =&gt; ['required', 'email', 'unique:organisers',$organiser-&gt;id,'organisers_id'],
              'organiser_logo' =&gt; ['mimes:jpeg,jpg,png', 'max:10000'],
          ]);
  </code></pre>
  
  <p>but it works with this:</p>
  
  <pre><code>$this-&gt;validate($request, [
              'name'           =&gt; ['required'],
              'email'          =&gt; ['required', 'email', 'unique:organisers'],
              'organiser_logo' =&gt; ['mimes:jpeg,jpg,png', 'max:10000'],
          ]);
  </code></pre>