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 ('ac136b1741462f338ceecf00c0085189','0','3.147.61.142','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715103121','thread.php?goto=lastpost&threadid=2125&sid=03c4dc87c91c089649234db1664acd2b','0','0','')
mysql error: Duplicate entry 'ac136b1741462f338ceecf00c0085189' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 19:32
Script: /thread.php?goto=lastpost&threadid=2125&sid=03c4dc87c91c089649234db1664acd2b
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=2125&sid=03c4dc87c91c089649234db1664acd2b