Preconditions: there is another user in application - I had another administrator user (admin2)

Steps:
1. Log in with credentials of admin2
2. Add an article (filled title and intro)
3. Log out
4. Log in with admin credentials
5. Go to admin/users and delete admin2
6. Click on eZ icon to go to dashboard - there is an error 500:

An exception has been thrown during the rendering of a template ("Could not find 'Content' with identifier 'array (
'id' => 52,
'languages' =>
array (
),
'versionNo' => 1,
)'").