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 ('85724f655ab207f6339365fdcc7ce472','0','18.188.66.13','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714722415','thread.php?goto=lastpost&threadid=960&sid=c61013255947f67fbed6f480bbe2c1fd','0','0','')
mysql error: Duplicate entry '85724f655ab207f6339365fdcc7ce472' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 09:46
Script: /thread.php?goto=lastpost&threadid=960&sid=c61013255947f67fbed6f480bbe2c1fd
Referer: http://wehrbauten.de/thread.php?goto=lastpost&threadid=960&sid=c61013255947f67fbed6f480bbe2c1fd