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 ('7464c65d9f4ce9f789b9b8a0364a73ae','0','216.73.216.110','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1753033508','thread.php?postid=28413','0','0','')
mysql error: Duplicate entry '7464c65d9f4ce9f789b9b8a0364a73ae' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 20.07.2025 @ 19:45
Script: /thread.php?postid=28413
Referer: