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 ('755b3c7c5fa8949d96b6142b9152ea33','0','3.143.110.165','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744734246','thread.php?postid=36652','0','0','')
mysql error: Duplicate entry '755b3c7c5fa8949d96b6142b9152ea33' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 15.04.2025 @ 18:24
Script: /thread.php?postid=36652
Referer: http://gttempel.de/thread.php?postid=36652