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 ('fb9260c32742741d8c3bed574d533fcd','0','3.144.189.177','claudebot','1713485890','register.php?sid=3e980169cc5c087ee56b3dc9545cd0b6','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: 19.04.2024 @ 02:18
Script: /register.php?sid=3e980169cc5c087ee56b3dc9545cd0b6
Referer: