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 ('81d649e56d1da43f058a506de8548c76','0','18.209.230.60','claudebot','1711726347','pms.php?action=newpm&userid=356&sid=72714f1890d43adefd92621670d6fd9b','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: 29.03.2024 @ 16:32
Script: /pms.php?action=newpm&userid=356&sid=72714f1890d43adefd92621670d6fd9b
Referer: