Discuz! info: MySQL Query Error

Time: 2017-9-23 5:30am
Script: /bbs/tag.php

SQL: TRUNCATE [Table]searchindex
Error: DROP command denied to user 'biaozhun_master'@'192.168.0.120' for table '[Table]searchindex'
Errno.: 1142

Similar error report has beed dispatched to administrator before.