SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: DELETE FROM bb1_adminsessions WHERE userid=0 AND lastactivity<1488042791
mysql error: DELETE command denied to user 'web205'@'localhost' for table 'bb1_adminsessions'
mysql error number: 1142
mysql version: 5.7.16
php version: 5.2.17-0.dotdeb.0
Date: 25.02.2017 @ 21:29
Script: /gnetboard/map.php?highlight=9
Referer: