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 ('8abe5db5bd436bc27585a90930ddd854','0','18.216.172.229','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716255540','profile.php?userid=9442&sid=ebed89f53ef1ff43dce1be0ef31b0465','0','0','')
mysql error: Duplicate entry '8abe5db5bd436bc27585a90930ddd854' for key 1
mysql error number: 1062
mysql version: 4.1.22-standard
php version: 5.3.29-1+hw8
Date: 20.05.2024 @ 21:39
Script: /wbb2/profile.php?userid=9442&sid=ebed89f53ef1ff43dce1be0ef31b0465
Referer: