Error using Argus E2B (R3) to (R2) Import Utility - dtd_element: DUPLICATE (Doc ID 2316659.1) Last updated on DECEMBER 20, 2017. Applies to: Oracle Argus Interchange Cloud Service - Version 7.0 and later Oracle Argus Safety - Version 7.0.0 and later Oracle Argus Interchange - Version 7.0.0.1 and later Information in this document applies to any platform. Symptoms. Users are getting the following error trying to import E2b R2 file after it was converted from R3 file by the Argus E2B (R3) to (R2) Import Utility: