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 ('0abd9c9f6fc2926c38cd5e667502ac18','0','3.145.125.2','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745279715','thread.php?postid=6537','0','0','')
mysql error: Duplicate entry '0abd9c9f6fc2926c38cd5e667502ac18' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.04.2025 @ 01:55
Script: /thread.php?postid=6537
Referer: http://gttempel.de/thread.php?postid=6537