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 ('71cdeac664ac4c5ebe0061e236cb7e9f','0','216.73.216.245','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750101302','thread.php?goto=nextoldest&threadid=32757','0','0','')
mysql error: Duplicate entry '71cdeac664ac4c5ebe0061e236cb7e9f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.7.33-0ubuntu0.16.04.1
php version: 5.6.40
Date: 16.06.2025 @ 21:15
Script: /thread.php?goto=nextoldest&threadid=32757
Referer: