There may be multiple reasons for that. Please check the following options:
- Did you forget to set the action name in the page structure?
- Is your page inactive?
- Is the article missing in the page?
In case any of those options apply, please change your configuration or adjust your handling and try again.
How to set mandatory fields correctly and what to consider is explained in our manual: Setting up Mandatory Details (Terms and Conditions, Legal Notice, Privacy Policy)