Solution : https://service.sap.com/sap/support/notes/432960 (SAP Service marketplace login required)
Key words :
component component type dtyp length decplaces short textbupla bupla char 4 0 business place, include rbkp_1time 0 0xcpdd xcpdd char 1 0 indicators, gsber gsber char 4 0 business area activate, enter data type acmm_vendor_comp, select subobject 'layout editor', fieldfields field typegsber gsbercheck, field namegsber rbkp gsberactivate, move field invfo-xnegp, insert field invfo-gsber, input field invfo-gsber
Related Notes :
| 499633 | MIR7:business area as a required entry |