Browser console error occurs when viewing content after removing relation field from ContentType.

Steps:

1. Edit default Article ContentType
2. Add Single Relation or Multiple Relation field. Save and publish ContentType.
3. Create new Article. Set all required values and set relation to any allowed content.
4. Publish article.
5. Edit Article ContentType, remove Single Relation or Multiple Relation added previously.
6. Save and publish ContentType.
7. Go to Content, find your Article created in step 3 and load it in View mode.

Issue: "Uncaught TypeError: Cannot read property 'names' of undefined" error occurs.