SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: DELETE FROM bb1_sessions WHERE userid='0' AND ipaddress = '3.80.55.37' AND useragent = 'CCBot/2.0 (https://commoncrawl.org/faq/)'
mysql error: Table 'astralcu.bb1_sessions' doesn't exist
mysql error number: 1146
mysql version: 5.6.34-log
php version: 5.6.36
Date: 20.01.2019 @ 01:52
Script: /forum/
Referer: