Solution : https://service.sap.com/sap/support/notes/1144473 (SAP Service marketplace login required)
Key words :
mail body shows mm-dd-yyyy date format, prerequisites user date format, task/mail body, user date format, date format reason, symptom task, terms duet 1, 5 sp0 lema
Related Notes :
| 1067168 | Duet 1.5 SP00: Release Information Note |