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 ('c41dc843c04e3b8bd421bb35c5a93ea2','0','3.17.58.155','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716270795','profile.php?userid=23&sid=2f4d20233fc5873e6a489388ae341f43','0','0','')
mysql error: Duplicate entry 'c41dc843c04e3b8bd421bb35c5a93ea2' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 21.05.2024 @ 01:53
Script: /wbb2/profile.php?userid=23&sid=2f4d20233fc5873e6a489388ae341f43
Referer: