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 ('9546c1988c3e3632382cd1e0873ae171','0','18.190.156.78','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715793613','editpost.php?postid=10879&sid=05b96f8f08906a5a164be3e58747181a','0','0','')
mysql error: Duplicate entry '9546c1988c3e3632382cd1e0873ae171' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 19:20
Script: /editpost.php?postid=10879&sid=05b96f8f08906a5a164be3e58747181a
Referer: http://wehrbauten.de/editpost.php?postid=10879&sid=05b96f8f08906a5a164be3e58747181a