Solution : https://service.sap.com/sap/support/notes/93368 (SAP Service marketplace login required)
Key words :
system transfers invalid correction quantities, select object component 'interface', additional key words transaction, remaining source code corrections, product allocation determination procedure, activate user exit 'exit_saplquot_001', current sales order, changed order items, set parameter 'exit_001_t_oldqt', add parameter 'exit_001_t_qtcor'
Related Notes :
192753 | Allocations: Termination when calling the user exit |
188209 | Allocations: Extension of user exit |
106611 | Allocations: Composite SAP Note from Release 4.0A |
84171 | Prodct alloc.:with mater. double entries charact. |
83245 | Product allocations: collective note |
75994 | Product allocation: Deactivate standard dist. |
71209 | Product alloc.: user exit for changing sched.line |