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 ('89d04fad674b219e4ddfcb1a4f8e9fca','0','216.73.216.228','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751211959','thread.php?postid=25803','0','0','')
mysql error: Duplicate entry '89d04fad674b219e4ddfcb1a4f8e9fca' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 29.06.2025 @ 17:45
Script: /thread.php?postid=25803
Referer: