SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.4): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('f2ea5ae618b84aeb2ac25ea3753ac1f9','0','18.191.37.16','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745895001','usercp.php?action=buddy&add=202935','0','0','')
mysql error: The table 'bb1_sessions' is full
mysql error number: 1114
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 28.04.2025 @ 22:50
Script: /wbb2/usercp.php?action=buddy&add=202935
Referer: