SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('08f1b27bac851ff1c8c346972e658b57','0','52.91.0.68','claudebot','1711649827','register.php?sid=5e66ae72ab78e15c4e368c7d2ed29fa6','0','0','')
mysql error: The table 'bb1_sessions' is full
mysql error number: 1114
mysql version: 10.0.32-MariaDB-0+deb8u1
php version: 5.6.33-0+deb8u1
Date: 28.03.2024 @ 19:17
Script: /register.php?sid=5e66ae72ab78e15c4e368c7d2ed29fa6
Referer: