MySQL Error Occured
1062: Duplicate entry '11878815fa9e4bb2c0a3dfe8d7f7d8d0' for key 'PRIMARY'

QUERY = INSERT INTO CityStore_sessions (`location`, `sessId`, `timeStart`, `timeLast`, `customer_id`) VALUES ('/shop.php/show-video/event-entertainment/private-lessons/private-dance-lessons-gift-voucher/images/adult-dance-classes/10-lessons-wedding-dance-private-lessons-for-couples-getting-married/cart.php?act=cart', '11878815fa9e4bb2c0a3dfe8d7f7d8d0', '1739793089', '1739793089', 0)