Unable to create a Redshift account

Failed to validate account: Failed to retrieve a database connection. Cause: FATAL: no pg_hba.conf entry for host “???”, user “ABC”, database “XYZ”, SSL off (Reason: FATAL: no pg_hba.conf entry for host “???”, user “ABC”, database “XYZ”, SSL off; Resolution: Ensure credentials are valid, multiple attempts with invalid credentials may result into account getting locked)