How can rezolv

[troyalgnazah]

I have a private server ,and i have a "little" problem
The problem is :
At intervals of time ,others players are disconnected
How can rezolv ?

In Channel 1 ,in "syserr" these errors occur

SYSERR: Aug 26 08:33:02 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 57937, 962054, 273685, 130015579, 'DROP', 'Fertigkeitsbuch 1 50300', '37.104.29.11', 50300) errno: 1054)
SYSERR: Aug 26 08:33:03 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 57827, 962069, 273659, 410003470, 'BUY', 'Segensschriftrolle', '188.52.26.187', 25040) errno: 1054)
SYSERR: Aug 26 08:33:03 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 57827, 962069, 273659, 410003471, 'BUY', 'Segensschriftrolle', '188.52.26.187', 25040) errno: 1054)
SYSERR: Aug 26 08:33:03 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 1, 2148966, 0, 10043186, 'SET_SOCKET', '', '', 72724) errno: 1054)
SYSERR: Aug 26 08:33:03 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 57827, 962069, 273659, 410003472, 'BUY', 'Segensschriftrolle', '188.52.26.187', 25040) errno: 1054)
SYSERR: Aug 26 08:33:03 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 58431, 953840, 267994, 410003473, 'BUY', 'Muschel', '79.182.1.126', 27987) errno: 1054)
SYSERR: Aug 26 08:33:04 :: ChildLoop: AsyncSQL: query failed: Unknown column 'vnum' in 'field list' (query: INSERT DELAYED INTO log (type, time, who, x, y, what, how, hint, ip, vnum) VALUES('ITEM', NOW(), 58431, 953840, 267994, 410003474, 'BUY', 'Muschel', '79.182.1.126', 27987) errno: 1054)

[.aNNdii#]

#moved