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 ('4b36c5f83204fb0f597e2b3a7db41aac','0','172.70.126.76','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1760957605','addreply.php?action=quote&postid=398875','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 @ 06:53
Script: /wbb2/addreply.php?action=quote&postid=398875
Referer: