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 ('4dd4bd67ed26c5f6d21e894aa7f7f875','0','3.144.104.136','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745047694','print.php?page=1&threadid=1705','0','0','')
mysql error: Duplicate entry '4dd4bd67ed26c5f6d21e894aa7f7f875' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 09:28
Script: /print.php?page=1&threadid=1705
Referer: http://gttempel.de/print.php?page=1&threadid=1705