SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb2_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('d8768e6db6232598005cff70f9962b50','0','172.70.80.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1761015676','thread.php?postid=409743','0','0','')
mysql error: The table 'bb2_sessions' is full
mysql error number: 1114
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 20.10.2025 @ 23:01
Script: /wbb2/thread.php?postid=409743
Referer: