Solution : https://service.sap.com/sap/support/notes/638415 (SAP Service marketplace login required)
Key words :
original process purchase order - inbound delivery - goods receipt, inbound delivery, delivered goods, return delivery, transaction mbrl, table t001l, table t001w, terms mbrl, vendor reason, program error
Related Notes :
| 491785 | Return delivery after GR with VL32 or VL32N |
| 359247 | Return delivery to vendor: Delivery type is missing |