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 ('ac41cb09e1759dace330311a4f453932','0','18.116.67.177','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715435302','thread.php?goto=lastpost&threadid=2440&sid=91231a3f78c6f7c44b0e08e5300643d8','0','0','')
mysql error: Duplicate entry 'ac41cb09e1759dace330311a4f453932' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 11.05.2024 @ 15:48
Script: /thread.php?goto=lastpost&threadid=2440&sid=91231a3f78c6f7c44b0e08e5300643d8
Referer: