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 ('6cbdc9c3f76e573dbd42d4669a7f9308','0','18.191.244.172','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745859374','usercp.php?action=buddy&add=202999','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 @ 12:56
Script: /wbb2/usercp.php?action=buddy&add=202999
Referer: