SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: DELETE FROM bb1_sessions WHERE userid='0' AND ipaddress = '54.90.128.9' AND useragent = 'CCBot/2.0 (http://commoncrawl.org/faq/)'
mysql error: Table 'iphoneci_forum.bb1_sessions' doesn't exist
mysql error number: 1146
mysql version: 10.0.21-MariaDB-log
php version: 5.4.43
Date: 04.09.2015 @ 14:26
Script: /thema15884-S-5603-sarj-sorunu.htm
Referer: