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 ('bc38c75bda489a4edc717f44e2bf6608','0','3.140.186.201','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715367854','jgs_portal_links.php?action=suche2_starten&buchstabe=G&sid=35311c823222068293aeb21d8950f308','0','0','')
mysql error: Duplicate entry 'bc38c75bda489a4edc717f44e2bf6608' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 10.05.2024 @ 21:04
Script: /jgs_portal_links.php?action=suche2_starten&buchstabe=G&sid=35311c823222068293aeb21d8950f308
Referer: http://wehrbauten.de/jgs_portal_links.php?action=suche2_starten&buchstabe=G&sid=35311c823222068293aeb21d8950f308