Error when submitting form on field that is not required

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I’m getting the following error when trying to submit a form for some subscribers:

“Mailchimp API error: 400 Bad Request. Invalid Resource. Your merge fields were invalid. – MMERGE16 : Please enter a complete address”

This is a weird error for the following reasons: (1) it works for any new subscribers and most existing subscribers, and (2) the MMERGE16 field, which is for an address, is neither present in the form nor required in the list.

  • This topic was modified 4 hours, 31 minutes ago by Nathan24.

 

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