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 ('e894d24d0aeb0ef8ecfcf2af10b2e083','0','18.221.42.212','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1744882922','usercp.php?action=addsubscription&threadid=270','0','0','')
mysql error: Duplicate entry 'e894d24d0aeb0ef8ecfcf2af10b2e083' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.04.2025 @ 11:42
Script: /usercp.php?action=addsubscription&threadid=270
Referer: http://gttempel.de/usercp.php?action=addsubscription&threadid=270