SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: DELETE FROM bb1_sessions WHERE userid='0' AND ipaddress = '34.237.76.91' AND useragent = 'CCBot/2.0 (https://commoncrawl.org/faq/)'
mysql error: DELETE command denied to user 'web205'@'localhost' for table 'bb1_sessions'
mysql error number: 1142
mysql version: 5.7.25
php version: 5.5.38
Date: 22.09.2019 @ 07:34
Script: /gnetboard/
Referer: