Solution : https://service.sap.com/sap/support/notes/132766 (SAP Service marketplace login required)
Key words :
additional key words gewei, prerequisites implement note 83594, item detail screen, manually changed item, manually entered unit, batch split items, source code corrections, batch split, delivery item, volume unit
Related Notes :
132213 | Incorrect weights when changing quantity and unit |
83594 | Reading the alternative unit of measure in LO |