There is an instance of the UE server behavior in the wa_recipet1.php file.
that file should only contain the email body, not a second instance of the UE server behavior.
There is the UE server beiaovr on the success page, that UE instance uses the wa_recipet1.php file as the body template.
Within that file is another UE instance that uses the waue_wa_receipt_1.php file as the body. that second UE instance should not be there.