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 ('2ca39b62000a073d2d40291c2d6163f8','0','18.191.41.236','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714114809','board.php?boardid=24&sid=80881bcab3e2c217d8d1caa88c2bd1bc','0','0','')
mysql error: Duplicate entry '2ca39b62000a073d2d40291c2d6163f8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 26.04.2024 @ 09:00
Script: /board.php?boardid=24&sid=80881bcab3e2c217d8d1caa88c2bd1bc
Referer: