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." (ID)
English reference (ID): Vol. 4, Book 30, Hadith 3395 (ID)
Arabic reference (ID): Book 30, Hadith 3520 (ID)