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 ('79dd6896056ce6024e5e14ad029032ca','0','3.139.90.131','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714790855','thread.php?goto=lastpost&threadid=2472&sid=b51328497f5524870c12cc030a3a8531','0','0','')
mysql error: Duplicate entry '79dd6896056ce6024e5e14ad029032ca' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 04:47
Script: /thread.php?goto=lastpost&threadid=2472&sid=b51328497f5524870c12cc030a3a8531
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2472&sid=b51328497f5524870c12cc030a3a8531