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 ('6a96a1d3fef08418dcbce1c368ce19a5','0','3.137.181.194','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734874741','addreply.php?threadid=336','0','0','')
mysql error: Duplicate entry '6a96a1d3fef08418dcbce1c368ce19a5' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 14:39
Script: /addreply.php?threadid=336
Referer: http://gttempel.de/addreply.php?threadid=336