Solution : https://service.sap.com/sap/support/notes/1071346 (SAP Service marketplace login required)
Key words :
structure component rtype component type ctr_log_sys empty logsys, field 'data type', selected items' make, screen 'propose source, source code corrections, add additional field, call transaction se11, popup 'proposed sources, button 'propose sources, display backend contracts
Related Notes :
| 1064557 | SRM 6.0 SP02: Additional Notes to be applied on SRM Server |