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 ('3c0364f23e4b3fbc60fd3a680a766da6','0','3.15.10.50','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745860437','usercp.php?action=buddy&add=203045','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 @ 13:13
Script: /wbb2/usercp.php?action=buddy&add=203045
Referer: