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 ('cc478f1b203c799eed458a26eb2ffa83','0','18.191.44.23','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714734139','memberslist.php?sid=d9607c0dbe845c37939fa9a4927172e9','0','0','')
mysql error: Duplicate entry 'cc478f1b203c799eed458a26eb2ffa83' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 03.05.2024 @ 13:02
Script: /memberslist.php?sid=d9607c0dbe845c37939fa9a4927172e9
Referer: