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 ('2450ce704cff0a9aea6d4b17209bf29a','0','3.145.149.120','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744132223','thread.php?postid=37715','0','0','')
mysql error: Duplicate entry '2450ce704cff0a9aea6d4b17209bf29a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 08.04.2025 @ 19:10
Script: /thread.php?postid=37715
Referer: http://www.gttempel.de/thread.php?goto=lastpost&threadid=2284