For example you have enabled the extension scenario ,but still value is not flowing from Purchase order to supplier invoice
SAP Business ByDesign
All extension scenarios or more than one extension scenario is enabled. so value is being overwritten by one of the extension scenarios.
In the further usage of extension field in Supplier invoice , the below changes are required:
Since you want details to flow from Purchase order to supplier invoice you have to check mark relavent extension scenario given below
Purchase Order - Root to Supplier Invoice - Root
All other scenarios scenarios appearing like ' XXX- Root to supplier invoice-Root" has to be deactivated, cause system tried to pick from one of them and it finds no details.(where XXX can be other documents )
Note: Once all above changes are done, please create new Purchase order and Supplier invoices so that changes can be reflected.
KBA 2936224 - Extension field value has disappeared
Extension field value, extension field not reflecting , , KBA , AP-SIP , Supplier Invoice Processing , AP-POP-PO , Purchase Order , Problem