What type of report is this:
| Bug report? |

Description:

When the user visited one of my landing pages that is included as a "visited page" decision the app returns a Fatal Error: Call to undefined method.

If a bug:

| Mautic version | 2.1.0
| PHP version | 5.6.24

Steps to reproduce:

1. Create a landing page
2. Use the landing page as a "visited page" decision
3. Visit the page with an email generated url

Log errors:

mautic.ERROR: Error: Call to undefined method Mautic\PageBundle\Model\PageModel::getVariants() - in file /home/mkmetacodigo/mk.metacodigo.com.br/app/bundles/PageBundle/EventListener/CampaignSubscriber.php - at line 119 [] []