Overview
When you try to add an article to your Help Center with an attachment using the API you receive the response, Status: 400 Code: ASSOCIATE_NOT_FOUND and are unable to add the article with the attachment.
Information
In order to successfully add the article with the attachment, you will need to include the X-Session-ID and X-CSRF-Token with your post request. This error message is received when the post request is made without both of these parameters. See the Adding an Article with Attachments to the Help Center Through API article for details on the process and how to retrieve the relevant keys.