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 ('8ef015cdf61ebd2ee905c8ac6d8e9af2','0','18.218.194.84','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715225101','jgs_galerie.php?sid=09400054e3c4fb1fdf5b7f0b2915c773','0','0','')
mysql error: Duplicate entry '8ef015cdf61ebd2ee905c8ac6d8e9af2' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 09.05.2024 @ 05:25
Script: /jgs_galerie.php?sid=09400054e3c4fb1fdf5b7f0b2915c773
Referer: