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 ('8109fa05d5d6d3b49ec00cca3fce860e','0','3.147.13.123','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714768696','search.php?sid=8310244db4beb757106a780dc9e0ef82','0','0','')
mysql error: Duplicate entry '8109fa05d5d6d3b49ec00cca3fce860e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 22:38
Script: /search.php?sid=8310244db4beb757106a780dc9e0ef82
Referer: http://wehrbauten.de/search.php?sid=8310244db4beb757106a780dc9e0ef82