Blackberries always indicate good news. If the dreamer dreams about himself eating the blackberries, then it is an omen of the arrival of pleasant news that will fill him with joy. The state of the blackberries is a good indicator of the type of news that will be received, though even if they are rotten they still tend to be a good omen.
Blackberry dream meaning
Read more about dreaming of Blackberry in other dream meanings interpretations.