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 ('9b11095f7d4eea208e47c8eaadb10830','0','3.15.221.146','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714079305','thread.php?goto=lastpost&threadid=5252&sid=1452dd2bf8aea3b255e3460cc2d1319a','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: 25.04.2024 @ 23:08
Script: /thread.php?goto=lastpost&threadid=5252&sid=1452dd2bf8aea3b255e3460cc2d1319a
Referer: