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 ('cd9bb3e8860d8ff4fc07c576c9672d56','0','216.73.216.189','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1751506846','thread.php?postid=10567','0','0','')
mysql error: Duplicate entry 'cd9bb3e8860d8ff4fc07c576c9672d56' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 03.07.2025 @ 03:40
Script: /thread.php?postid=10567
Referer: