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 ('d2a71c9f7a490c39693a36070745a321','0','3.15.26.231','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734878346','report.php?postid=18438','0','0','')
mysql error: Duplicate entry 'd2a71c9f7a490c39693a36070745a321' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 15:39
Script: /report.php?postid=18438
Referer: http://gttempel.de/report.php?postid=18438