All Praise be to Allah who is the Lord of the Worlds, and may Endless Blessings be showered upon His Most Beloved, and Final Messenger of Islam, Hadrat Muhammad Mustafa (Salla Allahu ta'ala 'alayhi wa aalihi wa Sallam)
Its a bad dream. Bad dreams should not be interpreted. In fact, when bad dreams occur, the best thing to do is to donate money, to the poor, in the form of sadaqah, khayrat etc.
This will prevent you from having bad dreams, and dont forget to pray, before you go to sleep. It will make a great difference.