Solution : https://service.sap.com/sap/support/notes/88289 (SAP Service marketplace login required)
Key words : 
additional key words co11, delivery date afpo-ltrmi, automatic goods receipt, delivery date, control key, finish date, posting date, corzgoods movement, confirmed operation, solution copy
Related Notes : 
       
| 202047 | KD285 or KD298 for KO88 or CO88 | 
| 111508 | Incorrect delivery date after conf. with quantity 0 | 
| 91236 | COGI: Delivery date in order header deleted | 
| 83914 | Treat DLV/TECO for settlemnt/var./WIP calc. equally | 
| 80052 |