When using the Mailchimp Add/Update Subscriber action in your Zaps, you see the error message "Required field "Subscriber Email" (email) is missing". You may see this error when setting up a Zap or in the details of a Zap run in your Zap history.
Causes
This happens when:
- The mapped field from the previous step did not return a value.
- The mapped field contains invalid data, such as text that does not conform to the expected email address format.
How to fix it
To fix this issue:
- Ensure the selected mapped field contains a valid email address during each Zap run.
- If the mapped field lacks data, substitute it with a field that reliably provides a valid email address.
- If you cannot change the current mapped field, add conditional logic using a filter or branching logic with paths to your Zap. This will allow you to define what the Zap should do if the mapped field receives no data from the previous step.
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- Contact Zapier Support. Our Support team can investigate your account to find solutions.
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