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 ('095d87eabda2b1cc783afee043d56bd3','0','3.15.0.242','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745051892','usercp.php?action=addsubscription&threadid=1447','0','0','')
mysql error: Duplicate entry '095d87eabda2b1cc783afee043d56bd3' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 10:38
Script: /usercp.php?action=addsubscription&threadid=1447
Referer: http://gttempel.de/usercp.php?action=addsubscription&threadid=1447