SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Invalid SQL: DELETE FROM bb1_sessions WHERE userid='0' AND ipaddress = '54.158.15.97' AND useragent = 'CCBot/2.0 (http://commoncrawl.org/faq/)'
mysql error: Table 'DB5389.bb1_sessions' doesn't exist
mysql error number: 1146
Date: 25.06.2018 @ 04:26
Script: /
Referer: