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 ('351494104c65da26ca444e26a33fd41b','0','18.224.215.101','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1715735706','report.php?postid=7864','0','0','')
mysql error: Duplicate entry '351494104c65da26ca444e26a33fd41b' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 15.05.2024 @ 03:15
Script: /report.php?postid=7864
Referer: http://gttempel.de/report.php?postid=7864