Thank you for reaching out to the Community! I do apologize for any inconvenience this may cause, but once a custom landing page says that it's in "done" status you will have to make a copy of it and publish it again.
Zoe H. Community & Social Media Support
Did I answer your question? If so, please mark my post as an "Accepted Solution" by clicking the Accept as Solution button in the bottom right hand corner of this post.
You're not alone on your email marketing journey. Connect with a Marketing Advisor to see how they can help you develop the right strategy for your business and get the most out of your Constant Contact experience.