Solution : https://service.sap.com/sap/support/notes/1166612 (SAP Service marketplace login required)
Key words :
locking errors occur, system incorrectly sets, attached correction instructions, error message m3 020, parallel material master, program error, goods movements, shared lock, goods movement, terms material_read
Related Notes :
| 157423 | Message M3682 for goods movement to the same batch |