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 ('dbdded1bd5446e43ff65175470416266','0','52.15.179.198','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745052584','usercp.php?action=addsubscription&threadid=425','0','0','')
mysql error: Duplicate entry 'dbdded1bd5446e43ff65175470416266' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 10:49
Script: /usercp.php?action=addsubscription&threadid=425
Referer: http://gttempel.de/usercp.php?action=addsubscription&threadid=425