SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('adf8a1a632fdf95dd655024f4e7ec07b','0','3.142.42.33','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715904281','thread.php?goto=lastpost&threadid=1581&sid=bc7f86cedb770fbc71d107e4b8fe3671','0','0','')
mysql error: Duplicate entry 'adf8a1a632fdf95dd655024f4e7ec07b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 17.05.2024 @ 02:04
Script: /thread.php?goto=lastpost&threadid=1581&sid=bc7f86cedb770fbc71d107e4b8fe3671
Referer: