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 ('5d5ccbd49d11561769de2707cd174f0e','0','3.147.46.174','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734862240','addreply.php?action=quote&postid=25914','0','0','')
mysql error: Duplicate entry '5d5ccbd49d11561769de2707cd174f0e' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 11:10
Script: /addreply.php?action=quote&postid=25914
Referer: http://gttempel.de/addreply.php?action=quote&postid=25914