Hey Ake;If the error message is about publishing, the problem might not be in the InDesign file.Is there anymore information in the error message? Sometimes, near the end of the message I can see meaningful information that might be a clue where the problem is. I have seen information about a collection needing a product ID in order to publish.Another approach is whether you can see the collection and article in a preflight app or DPS Preflight -- If you can see your content in a preflight, that...