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 ('26abd4396bf6c62effe394642a873f88','0','18.118.9.7','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713600075','thread.php?goto=lastpost&threadid=5086&sid=2f1d7c6ff00d1a4b58fc112232b9c5b1','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 @ 10:01
Script: /thread.php?goto=lastpost&threadid=5086&sid=2f1d7c6ff00d1a4b58fc112232b9c5b1
Referer: