任务进行页面错误

Discuz! Database Error

The database has encountered a problem. Need Help?

Error messages:

[Type] 查询语句错误 [6] Error on delete of 'C:\WINDOWS\TEMP\#sql5dc_ddf1_0.MYI' (Errcode: 13) [Query] SELECT t.*, mt.csc, mt.dateline FROM common_task t LEFT JOIN common_mytask mt ON mt.taskid=t.taskid AND mt.uid='1' WHERE mt.status='0' AND t.available='2' ORDER BY t.displayorder, t.taskid DESC

Program messages:

[Line: 0041]home.php(require_once) [Line: 0037]source\module\home\home_task.php(task->tasklist) [Line: 0058]source\class\class_task.php(DB->query) [Line: 0985]source\class\class_core.php(DB->_execute)

有解决方法吗