HiAre you in customizing mode or enhance mode ? In Customizing mode you cannot see UIBB to be wired, seems you are in customizing mode and manually defining wiring with component configuration names. Can you try in enhance mode?
If Governance really needed on entire product hierarchy, then you can develop a custom Data Model with hierarchy entity something similar to BP hierarchy in BP or Cost Center hierarchy in MDGF.If its just one level (like Child and immediate parent) i...
Generally this happens if key mapping not properly written .During the first create , is all confirmation messages BP and Relationship properly exchanged , can you check the key mappings in S4
