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 ('9e69d09d9553ad11b776587f19e96fbb','0','3.135.216.174','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714074452','jgs_galerie.php?sid=ff05c1c0354453b2d5b50f58ad0dc331','0','0','')
mysql error: Duplicate entry '9e69d09d9553ad11b776587f19e96fbb' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 25.04.2024 @ 21:47
Script: /jgs_galerie.php?sid=ff05c1c0354453b2d5b50f58ad0dc331
Referer: