Discuz! info: MySQL Query Error

Time: 2019-8-25 11:36pm
Script: /forum/forumdisplay.php

SQL: SELECT t.* FROM [Table]threads t
WHERE t.tid IN (10412665,4102660,10172251,9858851,10473823,10473822,10106367,3686696,10175301,4176677,9555929,10210085,10210094,4646198,10515102,10515101,10516697,10260509,10517247,10347891) AND t.displayorder IN (2, 3)
ORDER BY displayorder DESC, lastpost DESC
LIMIT 0, 20
Error: MySQL server has gone away
Errno.: 2006

Similar error report has beed dispatched to administrator before.