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 ('785400ad2a877330baf7509c1b2f5d08','0','3.17.154.171','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713862533','thread.php?threadid=5307&goto=lastpost&sid=2025e2c744069ef884e4f4669be79da9','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: 23.04.2024 @ 10:55
Script: /thread.php?threadid=5307&goto=lastpost&sid=2025e2c744069ef884e4f4669be79da9
Referer: