Discuz! info: MySQL Query Error

Time: 2019-6-18 1:02pm
Script: /forumdisplay.php

SQL: SELECT t.* FROM [Table]threads t
WHERE t.fid='42' AND t.displayorder IN (0, 1, 2, 3)
ORDER BY t.displayorder DESC, t.dateline DESC
LIMIT 0, 30
Error: Sort aborted
Errno.: 1028

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