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 ('3439205ac3697a5fc06c04753ed6f114','0','18.222.158.1','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715770022','thread.php?threadid=7646&goto=lastpost&sid=3ac848581f31cb97860389c5d2c96f3f','0','0','')
mysql error: Duplicate entry '3439205ac3697a5fc06c04753ed6f114' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 15.05.2024 @ 12:47
Script: /thread.php?threadid=7646&goto=lastpost&sid=3ac848581f31cb97860389c5d2c96f3f
Referer: