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 ('5b97a593c8890a9df61bba9d76613282','0','18.209.209.28','claudebot','1711665213','register.php?sid=a1193a2e71d1d5cfbd4da5b616d177cf','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 @ 23:33
Script: /register.php?sid=a1193a2e71d1d5cfbd4da5b616d177cf
Referer: