Solution : https://service.sap.com/sap/support/notes/171646 (SAP Service marketplace login required)
Summary : 
      When creating returns, SAP error V1123 is triggered for non-existent batches in a plant, which some users find unnecessary. This is due to a programming error. Corrections include modifying message V4294 in SE91, referencing Note 74055, adjusting settings in Transaction OVAH, and source code updates as specified. This SAP Note is not deliverable in a Hot Package and should be applied with caution due to Customizing data implications.
Key words : 
message                              'w' warning                              'e' error message 4, system displays error message v1123, additional key words batch, se91   - message class, attached advance corrections, call transaction ovah, program error, - message number, 294   - message text, existing batch
Related Notes : 
       
| 187441 | Returns with incorrect batch - no error message | 
| 113518 | VA0x: Valuation type for returns with batch is incorrect | 
| 74055 | Variable messages: Version maintenance |