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 ('d328a9feab4420ac582f77d229ee39db','0','3.138.141.202','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714864678','thread.php?threadid=561&goto=lastpost&sid=053fde9b785e58b7b1c7ab9b9b8e0c92','0','0','')
mysql error: Duplicate entry 'd328a9feab4420ac582f77d229ee39db' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 05.05.2024 @ 01:17
Script: /thread.php?threadid=561&goto=lastpost&sid=053fde9b785e58b7b1c7ab9b9b8e0c92
Referer: http://wehrbauten.de/thread.php?threadid=561&goto=lastpost&sid=053fde9b785e58b7b1c7ab9b9b8e0c92