Musnad Ahmad Hadith 5129

A man from Najran asked Ibn Umar (may Allah be pleased with them both) about two things: one about raisins and dates, and the other about advance sale (salam) in date palm trees. Ibn Umar (may Allah be pleased with them both) said that once a man who was drunk was brought to the Prophet (ﷺ); he had drunk wine made from raisins and dates. The Prophet (ﷺ) prescribed the legal punishment for him and forbade combining the two (raisins and dates in making wine). Also, a man made a salam (advance sale) contract with another for dates from his trees, but that year there was no fruit. When he wanted to take his money back, the other refused. The man came to the Prophet (ﷺ), who asked the owner of the trees, "Did your trees not bear fruit?" He said, "No." The Prophet (ﷺ) said, "Then why are you withholding his money?" So he returned his money to him. After that, the Prophet (ﷺ) forbade salam (advance sale) in fruit until it ripens.