Structure pages level 2 url

The CMS Questions
1

Hi,

I have this on my blueprint.
If I select a page that is on level 2, than the page link is broken.

How to resolve this?

Blueprint

  slider:
    label: Slider
    type: structure
    style: table
    fields:
      title:
        label: Title
        type: text
      text:
        label: Text
        type: text
      image:
        label: Image
        type: image
      url:
        label: Target
        type: select 
        options: pages

Template

<img src="<?php $image=$slide->image()->toFile(); echo thumb($image, array('width' => 1920, 'height' => 808, 'crop' => true))->url() ?>" alt="<?php echo $slide->title()->html() ?>" class="slider-bg">
					
                    <div class="container">
                        <div class="row">
							<div class="col col-md-8 col-sm-10 slide-caption">
                                <h2><?php echo $slide->title()->html() ?></h2>
                                <p><?php echo $slide->text()->kirbytext() ?></p>
								<?php if(!$slide->url()->empty()): ?>
                                <div class="btn-group">
                                    <a href="<?php echo $slide->url()->html() ?>" class="theme-btn-s2"><?php echo l::get('btn-more-info') ?></a>
                                </div>
								<?php endif ?>
                            </div>
                            
                        </div>
                    </div>
                </div>
					<?php endforeach ?>
2