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 ('0ca25e1ec4abacea5ef3fa68f407747c','0','172.71.190.70','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1761145971','addreply.php?action=quote&postid=400640','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: 22.10.2025 @ 11:12
Script: /wbb2/addreply.php?action=quote&postid=400640
Referer: