Discuz! info: MySQL Query Error

Time: 2025-4-18 9:39pm
Script: /forumdisplay.php

SQL: SELECT t.* FROM cdb_threads t
WHERE t.fid='898' AND t.displayorder!=99 AND t.displayorder>=0 AND t.displayorder!=3
ORDER BY CASE WHEN t.displayorder=4 THEN 1 ELSE 0 END DESC, t.lastpost DESC
LIMIT 27640, 20
Error: Error writing file '/var/tmp/MY9QI8pP' (Errcode: 28)
Errno.: 3

Similar error report has beed dispatched to administrator before.