Solution : https://service.sap.com/sap/support/notes/166151 (SAP Service marketplace login required)
Key words :
additional key words transaction, attached source code correction, parallelly created sales orders, fiscal year variant, solution implement note 163424, sales order, period variant &, allocated materials, message ma120, info structure
Related Notes :
171608 | Allocations: Over-confirmation when creating |
163424 | Allocations: no quantity block w. changing/creating |
106611 | Allocations: Composite SAP Note from Release 4.0A |