Need some help！

This is my error log, how to fix them？

Code:

2012/ 5/13   14:13:25   ping CORE - 64, trans:2012/05/13 14:12:29

2012/ 5/13   14:13:25   ping TRANS - 64, trans:2012/05/13 14:12:29

2012/ 5/13   14:19:05   OP: 1285, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0


2012/ 5/13   14:28:37   OP: 1248, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0


2012/ 5/13   14:28:40   CHousingMng::DestroyHousing() - Housing not found : 4

2012/ 5/13   14:28:40   OP: 3173, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0


2012/ 5/13   15:15:04   CDbManager::UpdateGuildRanking俊辑 (RANKING.RANKING_DBF.dbo.RANKING_STR 'R1','01') 角菩

Another problem is that my 7 program without any crashes, but the game can not log in, this situation usually occurs in the program to work correctly for some time after.