Solution : https://service.sap.com/sap/support/notes/1062825 (SAP Service marketplace login required)
Key words :
program error solution apply, sus invoiceand sus confirmation, advanced correction apply, 'add item' button, advanced shipping notifications, add item button, xml inbound processing, attached correction instructions, srm-sus-asn, srm-sus-inv
Related Notes :
| 1545836 | ASN cannot be created for purchase order with cancelled item |
| 1064557 | SRM 6.0 SP02: Additional Notes to be applied on SRM Server |