Discuz! info: MySQL Query Error

Time: 2018-4-20 1:29pm
Script: /viewthread.php

SQL: insert into sc_fbvb set ip='54.162.173.119', uid='0', maketime='1524202198', datecode='20180421', ua='CCBot/2.0 (http://commoncrawl.org/faq/)', referurl='', url='?fid=140&tid=2938693&sid=tLJw7T', newurl='forumdisplay.php?fid=520', adtype='fb'
Error: Table './ktzone/sc_fbvb' is marked as crashed and should be repaired
Errno.: 145

Similar error report has beed dispatched to administrator before.