IF you a user receives an error when trying to edit a knowledge article: "Can't perform this action. Be sure the action is valid for the current state of the article, and that you have permission to perform it. " and they have all the article permissions:
- To create articles: “Manage Articles” AND "Create” and “Read” on the article type
- To edit draft articles: “Manage Articles” AND “Read” and “Edit” on the article type
- To edit published or archived articles: “Manage Articles” AND “Create,” “Read,” and “Edit” on the article type
They also have Article Actions under Setup for Edit Published and Archived Knowledge Articles, which is set to ALL
You may want to double check the user's ROLE, they may not have one and that is the issue.