Discuz! info: MySQL Query Error

Time: 2017-5-26 9:46am
Script: /forumdisplay.php

SQL: SELECT t.* FROM [Table]threads t
WHERE t.fid='43' AND t.displayorder IN (0, 1)
ORDER BY displayorder DESC, lastpost DESC
LIMIT 29
Error: Error writing file 'C:\Users\MYSQL_~1.WIN\AppData\Local\Temp\MYF9E6.tmp' (Errcode: 28)
Errno.: 3

Similar error report has beed dispatched to administrator before.