Solution : https://service.sap.com/sap/support/notes/670795 (SAP Service marketplace login required)
Key words :
user attribute c_version_current, inbound proxy reason, terms proxy, outbound proxy, incorrectly generated, solution set, cl_proxy_stylesheet_runtime class, inactive stylesheet, stylesheet, prerequisites
Related Notes :
679352 | XI2.0 Support Package 04 - List of most important changes |
660862 | Incorrect generation of stylesheets |