Steps:

1. Create Content Type with following fields:

• ezstring
• ezauthor (autofilled with current user)
• ezimageassets
  2. Go to Content/Content structure and click Create
  3. Select Content Type from step 1

Actual result:

New form is opened. Console shows:

GET http://eev2/admin/content/create/nodraft/iaCT/eng-GB/://0 404 (Not Found)

It doesn't occur for Article.

Expected result:

Clear console.