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 ('af471e486f9e7011e38b00aad9d1700a','0','3.145.17.20','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714605921','board.php?boardid=83&sid=37df5c0329063232dface3117a1f9920','0','0','')
mysql error: Duplicate entry 'af471e486f9e7011e38b00aad9d1700a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 02.05.2024 @ 01:25
Script: /board.php?boardid=83&sid=37df5c0329063232dface3117a1f9920
Referer: