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 ('ae796a71c7c2b510dd4852b4c7a35936','0','3.16.166.3','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715576154','misc.php?action=imprint&sid=06118c15b293442647ba9894c19e4898','0','0','')
mysql error: Duplicate entry 'ae796a71c7c2b510dd4852b4c7a35936' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 13.05.2024 @ 06:55
Script: /misc.php?action=imprint&sid=06118c15b293442647ba9894c19e4898
Referer: http://wehrbauten.de/misc.php?action=imprint&sid=06118c15b293442647ba9894c19e4898