Solution : https://service.sap.com/sap/support/notes/687257 (SAP Service marketplace login required)
Key words :
message class hudialog, attached program corrections, handling units correctly, reverse goods movement, handling units, goods movement, program error, goods movements, transaction vl09, hum reason
Related Notes :
| 1136116 | Reversal of goods movement possible although HU changed |
| 1092292 | Error message HUDIALOG 304 after second GI reversal |
| 953147 | HU assigned to wrong production order after GR reversal |