Added topic
invalid book transaction2016.09 . 06 20 : 53 : 40.772 Books invalid book transaction [UCAD- 9.16 ,sell, 1.28360 , 300 ][buys: 6 , sells: 23 , depth: 20 ] 2016.09 . 06 20 : 54 : 04.708 Books invalid book transaction [Eu- 12.16 ,sell, 76007.00000 , 0