Discuz! info: MySQL Query Error

Time: 2021-1-21 2:58am
Script: /viewthread.php

SQL: SELECT a.*, af.description, ap.aid AS payed FROM [Table]attachments a LEFT JOIN [Table]attachmentfields af ON a.aid=af.aid LEFT JOIN [Table]attachpaymentlog ap ON ap.aid=a.aid AND ap.uid='0' WHERE a.pid IN (-1,158796)
Error: Out of resources when opening file './quoa0661_Frt1GkUY/[Table]attachments.MYD' (Errcode: 24 - Too many open files)
Errno.: 23

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