Solution : https://service.sap.com/sap/support/notes/136380 (SAP Service marketplace login required)
Key words :
blank special field selection group, marc-j_4aatpsi field selection group, import material master data, field 'afs-atp method', field selection group, field marc-j_4aatpsi, terms marc-j_4aatpsi, key field classification, blank maintenance status, transaction sm31 --> maintain
Related Notes :
| 148744 | AFS V1.0C Fixpack #6 including HP/LCP 36-41 |
| 145509 | AFS V1.0D2 Fixpack #3 including HP/LCP 6-18 |