SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6 pl2): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('2fd6300c320c1459dbf2567dfc25db4f','0','216.73.216.103','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751421827','thread.php?postid=17412','0','0','')
mysql error: Duplicate entry '2fd6300c320c1459dbf2567dfc25db4f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 02.07.2025 @ 04:03
Script: /thread.php?postid=17412
Referer: