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Error: CNAMEAlreadyExists

If you encounter the following error when deploying main.tf:

Error: creating Cognito User Pool Domain:
InvalidParameterException: One or more of the CNAMEs you provided are already associated with a different resource.
(Service: AmazonCloudFront; Status Code: 409; Error Code: CNAMEAlreadyExists; Request ID: f7546b6a-b6fe-47e0-9c60-ec313aa6d54c; Proxy: null)

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Fix

This error is caused mostly because your Auth domain (e.g., auth.commonfate.example.com) has an existing A record. Remove the record and then rerun terraform apply.

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