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 ('ff803f73fa77bdc562a47c297cd9f09f','0','216.73.216.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1761511377','thread.php?postid=24083','0','0','')
mysql error: Duplicate entry 'ff803f73fa77bdc562a47c297cd9f09f' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 26.10.2025 @ 21:42
Script: /thread.php?postid=24083
Referer: