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 ('0dbf5b9d52fc96f2d3eec1fb5c6fe281','0','216.73.216.120','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1752892630','memberslist.php?sid=1011371752c8180d0fac87cb0e1558e8','0','0','')
mysql error: Duplicate entry '0dbf5b9d52fc96f2d3eec1fb5c6fe281' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 18.07.2025 @ 22:37
Script: /wbb2/memberslist.php?sid=1011371752c8180d0fac87cb0e1558e8
Referer: