Thank you for reaching out to the Constant Contact Community. Those are great questions and I'm sorry you are encountering these error messages and we are happy to take a look at the problem and do our best to get you some resolution.
In order to troubleshoot this problem, we will need a bit more information. Can you send an email to social_support(at)constantcontact(dot)com with your username, the name of the campaign that is showing up twice in the archive, the name of the campaign that is triggering the error message, as well as the link where the archive is hosted and we will certainly dig in to find out what is going on with the page. In the meantime, please feel free to reach out to us here.
Thank you for choosing Constant Contact. Have a great weekend!
Adrienne B. Community & Social Media Support
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