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 ('d3ba49d0821cc439a2fcf591f8978ba8','0','216.73.216.5','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1748750648','thread.php?postid=20057','0','0','')
mysql error: Duplicate entry 'd3ba49d0821cc439a2fcf591f8978ba8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 01.06.2025 @ 06:04
Script: /thread.php?postid=20057
Referer: