https://community.developer.cybersource.com/t5/Integration-and-Testing/API-Response-Error-Codes-are-WRONG/m-p/78164#M49071 <P>E00027 returns an "Unsuccessful" with "A duplicate transaction has been submitted."&nbsp; The Response (Error) Codes list from AN has some jibberish about an Australian server as being the problem.&nbsp; Does anyone update the Developer AN site anymore?</P> Tue, 24 Aug 2021 11:35:21 GMT dev-usa 2021-08-24T11:35:21Z https://community.developer.cybersource.com/t5/Integration-and-Testing/API-Response-Error-Codes-are-WRONG/m-p/78164#M49071 <P>E00027 returns an "Unsuccessful" with "A duplicate transaction has been submitted."&nbsp; The Response (Error) Codes list from AN has some jibberish about an Australian server as being the problem.&nbsp; Does anyone update the Developer AN site anymore?</P> Tue, 24 Aug 2021 11:35:21 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/API-Response-Error-Codes-are-WRONG/m-p/78164#M49071 dev-usa 2021-08-24T11:35:21Z