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 ('2d785af7b26f56d89423edb393b2af46','0','3.136.18.48','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715728217','thread.php?threadid=1381&goto=lastpost&sid=ff0e85f1a532458f19d325b644cb6256','0','0','')
mysql error: Duplicate entry '2d785af7b26f56d89423edb393b2af46' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 15.05.2024 @ 01:10
Script: /thread.php?threadid=1381&goto=lastpost&sid=ff0e85f1a532458f19d325b644cb6256
Referer: http://wehrbauten.de/thread.php?threadid=1381&goto=lastpost&sid=ff0e85f1a532458f19d325b644cb6256