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 ('21732297cf4d7bd34fee06a01ce47cba','0','3.145.165.8','claudebot','1713442388','register.php?sid=f3777bf4ab82bc87bb8e0c6257cc985b','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: 18.04.2024 @ 14:13
Script: /register.php?sid=f3777bf4ab82bc87bb8e0c6257cc985b
Referer: