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 ('0c6d94fe01c5dea800658e74b716eb87','0','54.82.44.149','claudebot','1711673030','register.php?sid=4dfb09bfa651e1344c0b91f7840fc377','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 @ 01:43
Script: /register.php?sid=4dfb09bfa651e1344c0b91f7840fc377
Referer: