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 ('4801c97c25cd843a84a35ed2a84ba748','0','18.117.142.128','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713564970','thread.php?threadid=5307&threadview=0&hilight=&hilightuser=0&sid=473e27bdf116b6883fce4d67db9dec29','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: 20.04.2024 @ 00:16
Script: /thread.php?threadid=5307&threadview=0&hilight=&hilightuser=0&sid=473e27bdf116b6883fce4d67db9dec29
Referer: