title: Why the_posts_pagination function not working?
body: <p><code>the_posts_pagination</code> function is not working: <a href="http://pastie.org/pastes/10166362/text" rel="nofollow">http://pastie.org/pastes/10166362/text</a></p>
  
  <p>Here is the full code:  </p>
  
  <pre><code>&lt;div class="row"&gt;
      &lt;div class="col-md-12 text-center"&gt;
          &lt;?php
          the_posts_pagination( array(
              'mid_size' =&gt; 2,
              'prev_text' =&gt; __( 'Newer', 'textdomain' ),
              'next_text' =&gt; __( 'Older', 'textdomain' ),
          ));
          ?&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>