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 ('f54d8e1ac2572530e8f9ea39e95f3993','0','3.17.132.171','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745067099','usercp.php?action=addsubscription&threadid=588','0','0','')
mysql error: Duplicate entry 'f54d8e1ac2572530e8f9ea39e95f3993' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 14:51
Script: /usercp.php?action=addsubscription&threadid=588
Referer: http://gttempel.de/usercp.php?action=addsubscription&threadid=588