SQL-DATABASE ERROR

Database error in WoltLab Burning Board (): Invalid SQL: DELETE FROM bb1_adminsessions WHERE userid=0 AND lastactivity<1711688986
mysql error: DELETE command denied to user 'web205'@'localhost' for table 'bb1_adminsessions'
mysql error number: 1142
mysql version: 5.7.25
php version: 5.5.38
Date: 29.03.2024 @ 09:26
Script: /gnetboard/register.php?sid=0b27fc3151d3383464c7eff1068e75fa
Referer: