Using a specific combination of Map\Host and Compound\LogicalAnd matchers can result in broken Page Preview in Page.
Steps to reproduce
1. Clean installation of eZ Platform 2.5.6
2. In ezplatform.yml set:
3. Log into the Backoffice as admin under http://admin.localhost.
4. Go to /Home. Click on "Page" tab, and then on site SiteAccess.
Cannot display this page in Page Builder app. Sorry!
Page preview load normally.