Solution : https://service.sap.com/sap/support/notes/521458 (SAP Service marketplace login required)
Key words :
user-defined text items, sourcing solely determines contract, account ebp local sources, ebp product master, approved vendor list, restrictions / general conditions, entered vendor remains, automatic source determination, ebp system, external sources
Related Notes :
594857 | Sourcing incorrect when vendor preset |
588427 | Contract price not transferred for ext. requirements |
521061 | Error with sourcing in background with external vendors |
505030 | Restrictions for the integration of external requirements |