Error 400 : Your merge fields were invalid

01 Nov 2017 05:44:36 ERROR Error for the record:, message: Your merge fields were invalid.[{field=JOBTITLE, message=Please enter a value}], code: 400

*Sample error only

The error above occurs when the required field in your CRM is blank when synced to Mailchimp.

How to overcome this issue?

Option 1: Fill in the required field in CRM then Reset Sync Process and Resync.

Option 2: Make the field as "not required" in CRM so that the error will not appear in Mailchimp.

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