In Drupal 8, classes that are used in order to implement a content entity (which extend the ContentEntityBase class) have a validate() method that validates the values entered when creating the entity.
A similar method should be introduced in Backdrop and added to EntityInterface.
GitHub Issue #:
6061
Recent comments
Thanks!! Easiest for me to just give permission for anon users to see the admin theme. That worked. It's just for this one page.
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Link field in a Content Type is malformed for annonymous user- Permission issue?
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