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 ('89ce971ec659a179631ef1f4ad3f7f16','0','3.147.104.248','claudebot','1713428471','register.php?sid=2d8e786c6fbdb1bf7d50c170fb440c90','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 @ 10:21
Script: /register.php?sid=2d8e786c6fbdb1bf7d50c170fb440c90
Referer: