Panic in a dream usually names an urgent threat that feels bigger than your ability to respond to it in the moment -- a loss of control that arrives suddenly rather than building gradually. It often surfaces when a real situation has escalated faster than you've had time to adjust to, leaving you scrambling rather than steady.
The Moon answers those who are ruled by Venus, and Venus answers those ruled by the Moon. - Picatrix (Andalusia, ~1000.AD)