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 ('f30a0f52cd1a281eb9d8eb94113915dd','0','3.137.168.234','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745053081','usercp.php?action=addsubscription&threadid=1297','0','0','')
mysql error: Duplicate entry 'f30a0f52cd1a281eb9d8eb94113915dd' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 10:58
Script: /usercp.php?action=addsubscription&threadid=1297
Referer: http://gttempel.de/usercp.php?action=addsubscription&threadid=1297