Discuz! info: MySQL Query Error

Time: 2018-4-22 9:14am
Script: /forumdisplay.php

SQL: DELETE FROM [Table]sessions WHERE sid='PBmcEv' OR lastactivity<(1524359693-1800) OR ('0'<>'0' AND uid='0') OR (uid='0' AND ip1='54' AND ip2='224' AND ip3='100' AND ip4='134' AND lastactivity>1524359693-60)
Error: Table '.\arsbbs\[Table]sessions' is marked as crashed and should be repaired
Errno.: 145

Similar error report has beed dispatched to administrator before.