The member type of the source you want to open is not supported:
Response: If the member contains System/38 syntax convert the member to a native OS/400 member. To do this, you can use the CVTDDSSRC tool in the QUSRTOOL library. For more information about this tool, refer to the member CVTDDSSRC in the file QATTINFO in the QUSRTOOL library.
(C) Copyright IBM Corporation 1992, 2005. All Rights Reserved.