Solution : https://service.sap.com/sap/support/notes/1709911 (SAP Service marketplace login required)
Key words :
sap netweaver ce developer workplace 7, sap netweaver ce developer workplace, component bc-upg-rdm, sap offers maintenance tools, apply support package stacks, sap solution manager prior, dual-stack systemsyour situation, install newer enhancement packages, installing sap enhancement package 1, dual-stack system