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 ('c04b9cbea6f1850f3a43cbc5b4c3fe4a','0','3.144.11.239','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745033880','report.php?postid=35929','0','0','')
mysql error: Duplicate entry 'c04b9cbea6f1850f3a43cbc5b4c3fe4a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 05:38
Script: /report.php?postid=35929
Referer: http://gttempel.de/report.php?postid=35929