You have to add the if-match option to finish process like below:
PATCH Operation
/sap/opu/odata/sap/API_PHYSICAL_INVENTORY_DOC_SRV//A_PhysInventoryDocItem(FiscalYear='2019',PhysicalInventoryDocument='100000090',PhysicalInventoryDocumentItem='001...
Message below can be found in application 'Manage Purchase Order' for some POs.
Would you please advise more details about this message and will this impact the processing of PO?
Thanks a lot for your help.
Description below can be found for BAdI to modify PO.
Modification of Purchase Order Items: only used to modify values of custom fields in purchase orders on document item level.
Check of Purchase Order Before Saving: can only used to create message...
Dear Customer, Would you please further check in the data source extenstion? In case this field cannot be extented, then a custom field has to be used here and enable it in the form template.
Dear @PranavMahajan In the migration scope only movement type 561 is supported to post the initial balance, you may consider to use the API below to post goods movement type 107https://api.sap.com/api/API_MATERIAL_DOCUMENT_SRV/overview