I am sorry to hear that you are running into that error when you try to run a custom report. This is absolutely something that we would be happy to assist with! Please send an email to social_support(at)constantcontact(dot)com with your account username, the name of the campaign you are trying to pull a custom report from and the information that you want included on that report. Once we receive this information we'll do our best to assist!
Thanks and have a great day!
Evan G. Customer Engagement Specialist If you find my post helpful, and it answers your question, please mark it as an "Accepted Solution" by clicking the Accept as Solution button in the bottom right hand corner of this post.
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