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 ('862eac6eb444bf47d0bf4bbee87d2e0a','0','3.143.4.181','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1716050606','team.php?sid=821947c424979926b73732d10ea34784','0','0','')
mysql error: Duplicate entry '862eac6eb444bf47d0bf4bbee87d2e0a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.42-log
php version: 5.6.40
Date: 18.05.2024 @ 18:43
Script: /team.php?sid=821947c424979926b73732d10ea34784
Referer: