Solution : https://service.sap.com/sap/support/notes/1143339 (SAP Service marketplace login required)
Key words :
customer specific material mapping ef_map_use = 'x', exit_/sapapo/saplcif_prod_001include zxcifuseru08replace ef_dup_check = 'a', et_matmap-ext_matnr = it_matloc-ext_matnr, et_matmap-matnr = it_matloc-ext_matnr, /sapapo/mat029 reason, bsgs ef_dup_check = 'a', symptom creating products, product number attached, subsequently interfaces back, 1 include zxcifuseru08 loop
Related Notes :
| 1269674 | Change of enhancement technique for ERP-APO CIF |