SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.2.2): Invalid SQL: DELETE FROM bb1_sessions WHERE userid='0' AND ipaddress = '23.20.1.47' AND useragent = 'CCBot/2.0 (http://commoncrawl.org/faq/)'
mysql error: Table 'usr_web13_1.bb1_sessions' doesn't exist
mysql error number: 1146
mysql version: 5.5.50-0+deb8u1
php version: 5.6.23-0+deb8u1
Date: 28.07.2016 @ 01:02
Script: /wbb2/thread.php?threadid=550
Referer: