Check the following items:
- The interaction matches the policy’s criteria.
- The interaction matches only one policy.
- The policy does not have an error on the policy listing page.
- The email address category used as the target address in the survey invite flow matches the address category used in the contact’s profile.
- The address category in the contact’s profile used as the target address in the survey invite flow has an email address.
- The survey invite flow uses expressions where appropriate instead of string literals.
- The target email addresses are valid. For more information, see on how to manage a target email list.