title: Class 'collective\Html\FormFacade' not found in laravel 5.2
body: <p>this is my blade file in laravel.</p>
  
  <pre><code> {!! Form::open(array('route' =&gt; 'posts.store')) !!}
  
      {{Form::lable('title','Title:')}}
  
      {{Form::text('title',null, array('class' =&gt; 'form-control'))}}
  
      {{Form::lable('body',"Post Body:")}}
  
      {{Form::textarea('body', null, array('class' =&gt; 'form-control'))}}
  
      {{Form::submit('Create Post', array('class' =&gt; 'btn btn-success btn-lg btn-block', 'style' =&gt; 'margin-top: 20px;'))}}
  
     {!! Form::close() !!}
  </code></pre>
  
  <p>but when I try to visit this blade file following error is comming</p>
  
  <pre><code>Class 'collective\Html\FormFacade' not found
  </code></pre>
  
  <p>how can I fix this problem?</p>