[Help] CacheD error "Save NPCBOSS failed !" Error sql: EXEC lin_SaveNpcBoss N'

[kiku]

This Error doesnt Crash server but make game unplayable

 

Error sql: EXEC lin_SaveNpcBoss N'orfen[ .1.189600.830.517. ETC

Error 08S01:[Microsoft][ODBC SQL Server Driver] Communication link failure

Save NPCBOSS failed !

 

http://img.overpic.net/images/p/1/d/xp1dwpp7xqb4mn1mgp0an.jpg

 

Server run normally for hours but suddenly i start to get that errors on cache

then if i log to game it kick me qhen i obtain any item. and can't play normally