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 ('52ac849d8e32dc680c7ac487a2d6c277','0','13.58.156.237','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745032894','thread.php?hilightuser=0&threadid=1560&threadview=0','0','0','')
mysql error: Duplicate entry '52ac849d8e32dc680c7ac487a2d6c277' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 05:21
Script: /thread.php?hilightuser=0&threadid=1560&threadview=0
Referer: http://gttempel.de/thread.php?hilightuser=0&threadid=1560&threadview=0