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 ('c10836ffe8d1e1a160ab4bdd03467863','0','18.118.207.114','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744881622','thread.php?page=2&threadid=764','0','0','')
mysql error: Duplicate entry 'c10836ffe8d1e1a160ab4bdd03467863' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 11:20
Script: /thread.php?page=2&threadid=764
Referer: http://gttempel.de/thread.php?page=2&threadid=764