ERROR 1064(42000)at line 47:You have an error in your SQL syntax;check the manual that corresponds to  you MySql server version for the  right syntax to use near'(14) NOT NULL,
  type int(11) default NULL,
  instancesgenerator varchar(255) de' at line 3
上面是错误的提示，然后我把整段贴出来：
CREATE TABLE cl_log (
  aid int(11) NOT NULL default '0',
  timestamp timestamp(14) NOT NULL,
  type int(11) default NULL,
  instancesgenerator varchar(255) default NULL,
  classifier varchar(255) default NULL,
  comment varchar(255) default NULL,
  KEY aid (aid,timestamp),
  KEY timestamp (timestamp)
)
请问下是哪里有问题呢？谢谢相助。

aid int(11) NOT NULL default '0',

'0' 改为 0