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 ('60a7e7109f93b216c3db772ded2ee490','0','3.134.78.106','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714823894','board.php?boardid=589&sid=7367de35a652562412c5368706b9da69','0','0','')
mysql error: Duplicate entry '60a7e7109f93b216c3db772ded2ee490' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 04.05.2024 @ 13:58
Script: /board.php?boardid=589&sid=7367de35a652562412c5368706b9da69
Referer: http://wehrbauten.de/board.php?boardid=589&sid=7367de35a652562412c5368706b9da69