Solution : https://service.sap.com/sap/support/notes/1249576 (SAP Service marketplace login required)
Key words :
interactive planning, /sapapo/sdp94, prerequisites note 1119560, correction instruction
Related Notes :
| 1119560 | Conversion from XX to YY for product ZZ is not possible |
| 924766 | The second UOM conversion does not work |