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 ('fc51b34dcb1e840d0b3b3bda3d8365e7','0','3.81.97.37','claudebot','1711676225','register.php?sid=47c39045a16f4040571c90fb0b5c85fc','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 @ 02:37
Script: /register.php?sid=47c39045a16f4040571c90fb0b5c85fc
Referer: