Solution : https://service.sap.com/sap/support/notes/351486 (SAP Service marketplace login required)
Key words :
mark 'elementary type' domain mengv13 data type quan length 13 decimal places 3 default component, currency/quantity fieldreference table reference fieldrc29p meins, quantity medium 15 additive quantity long 20 additive comp, additional key words mass change, transaction se11 --> call structure rc29n, input/output field 'additive quantity', transaction cs20 component quantities, prerequisites function 'additive change, component component typemeadd meadd, input/output field 'quantity'
Related Notes :
| 216044 | CS20: No RC29P-MENGE field or entry not allowed |
| 180686 | CS20: Basic note for new version |