Solution : https://service.sap.com/sap/support/notes/1083886 (SAP Service marketplace login required)
Key words :
uncaught exception \class=cx_sy_create_object_error, start transaction se802, phase xpras failed, detail view popup, message if_fdt_expression~is_generating, import failed, class / interface3, datail view, class cl_fdt_expression12, class cl_fdt_expression
Related Notes :
1045303 | Installation of Enhancement Package 2 on SAP ERP 6.0 |