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 ('39a5cd01f13200ead3c29213f354276b','0','216.73.216.112','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1750116517','usercp.php?action=addsubscription&threadid=717','0','0','')
mysql error: Duplicate entry '39a5cd01f13200ead3c29213f354276b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 17.06.2025 @ 01:28
Script: /usercp.php?action=addsubscription&threadid=717
Referer: