Solution : https://service.sap.com/sap/support/notes/122025 (SAP Service marketplace login required)
Key words :
additional key words inob, prerequisites iinst-kztyp = 'x', 'multi-level configuration' strategy, lower-level configurable materials, multi-level, configurable material, sales order, subsequent configurations, nested-kmat, material variant
Related Notes :
89084 | 4.5A:Termination matl variant multple in nested KMAT |