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 ('684557fe9e9f7ad9ef66cf92d36df361','0','3.22.51.241','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715675184','jgs_portal_links.php?action=suche2_starten&buchstabe=I&sid=f29d4d5d5760edb928b219ecdae7aa07','0','0','')
mysql error: Duplicate entry '684557fe9e9f7ad9ef66cf92d36df361' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 14.05.2024 @ 10:26
Script: /jgs_portal_links.php?action=suche2_starten&buchstabe=I&sid=f29d4d5d5760edb928b219ecdae7aa07
Referer: