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 ('c4b7c7e27950b24c02df21469e5529a5','0','18.118.200.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1713510735','thread.php?threadid=4841&goto=lastpost&sid=03151c31fc3a8e9096b9c75fe6828d93','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: 19.04.2024 @ 09:12
Script: /thread.php?threadid=4841&goto=lastpost&sid=03151c31fc3a8e9096b9c75fe6828d93
Referer: