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 ('bb06ff6753a0994bdf9b5fed8290e271','0','18.223.172.41','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745335431','thread.php?goto=nextnewest&threadid=1684','0','0','')
mysql error: Duplicate entry 'bb06ff6753a0994bdf9b5fed8290e271' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 17:23
Script: /thread.php?goto=nextnewest&threadid=1684
Referer: http://gttempel.de/thread.php?goto=nextnewest&threadid=1684