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 ('7b96a09e7e6f9a3973226efe30fe248d','0','18.189.2.122','claudebot','1713245018','register.php?sid=b65ea35c29e3940c2b44f965459f7fbf','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: 16.04.2024 @ 07:23
Script: /register.php?sid=b65ea35c29e3940c2b44f965459f7fbf
Referer: