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 ('99a6af6c2ae732908da5bd12db152bd9','0','18.188.60.244','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745052052','report.php?postid=26904','0','0','')
mysql error: Duplicate entry '99a6af6c2ae732908da5bd12db152bd9' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 19.04.2025 @ 10:40
Script: /report.php?postid=26904
Referer: http://gttempel.de/report.php?postid=26904