出错了，不能添加TODO。

[Wed Jan 02 09:10:15 2013] [error] [client 192.168.1.140] ERROR: SQLSTATE[HY000]: General error: 1030 Got error 28 from storage engine<p>The sql is: DESC `zt_todo`</p> in /opt/app/zentao/lib/dao/dao.class.php on line 986, last called by /opt/app/zentao/lib/dao/dao.class.php on 869 through function getFieldsType., referer: http://192.168.1.10:8081/cd/index.php?m=todo&f=create&date=20130102

不能添加Todo

之前一直正常的啊。。。咋个回事哦。。