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 ('2567b266e1c6f09bcdd1389cc0b08d20','0','3.137.162.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715044644','misc.php?action=imprint&sid=c9ade7dfdb25414e219415304d6dd4ee','0','0','')
mysql error: Duplicate entry '2567b266e1c6f09bcdd1389cc0b08d20' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 07.05.2024 @ 03:17
Script: /misc.php?action=imprint&sid=c9ade7dfdb25414e219415304d6dd4ee
Referer: