It wasnarrated from Jabir bin 'Abdullah that the Messenger of Allah(ﷺ)forbade making Nabidh* with dates and raisins together, or withunripe dates and fresh dates together." (DE)
English reference (DE): Vol. 4, Book 30, Hadith 3395 (DE)
Arabic reference (DE): Book 30, Hadith 3520 (DE)