Solution : https://service.sap.com/sap/support/notes/115470 (SAP Service marketplace login required)
Key words :
del_label erkrs xxxx fcode gen model rkevrk2c program rk2cxxxx prog_type, entry komp-spart/vbap-spart, additional key words sd/, 'actual' program rk2cxxxx, call function module rke_generate_abap, entry mara-spart, program rkevrk2c, enter import parameter, generating program rk2cs001, transfer sd documents
Related Notes :
| 81474 | Sales order: change to empty characteristic incorr. |
| 33968 | SD/CO-PA: Characteristics from sales doc tables |