Final Layout of an item may get empty after saving in Experience Editor


Description

Upon certain conditions, a user can get the 404 Not Found error in Experience Editor after saving an item. This is related to the incorrect way of handling the "Final Renderings" field in the Standard fields, "Layout" section.

Solution

To fix this issue, perform the following steps in the current database:

  1. Navigate to the /sitecore/templates/System/Templates/Sections/Layout/Layout/__Final Renderings item.
  2. In the "Data" section, find and enable the "Reset Blank [shared]" checkbox.
  3. Save the changes.