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 ('efe561933c2e74d8294421dfd71b9a76','0','18.224.93.225','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1746659483','addreply.php?action=quote&postid=418158','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: 07.05.2025 @ 19:11
Script: /wbb2/addreply.php?action=quote&postid=418158
Referer: