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 ('4fb3fcf2d7090c7d6310ccf6485f9a93','0','216.73.216.94','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751627000','thread.php?goto=nextoldest&threadid=1200','0','0','')
mysql error: Duplicate entry '4fb3fcf2d7090c7d6310ccf6485f9a93' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 04.07.2025 @ 13:03
Script: /thread.php?goto=nextoldest&threadid=1200
Referer: