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 ('e2feb9390fdea68d47015ec6a572ad70','0','18.191.43.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715578360','jgs_portal_links.php?action=suche2_starten&buchstabe=U&sid=d18e92c206516a087af55a6f723acc7b','0','0','')
mysql error: Duplicate entry 'e2feb9390fdea68d47015ec6a572ad70' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 13.05.2024 @ 07:32
Script: /jgs_portal_links.php?action=suche2_starten&buchstabe=U&sid=d18e92c206516a087af55a6f723acc7b
Referer: