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 ('9fb70f2345dff74402b27f253a7e90fe','0','3.144.229.52','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1745245635','addreply.php?postid=29178','0','0','')
mysql error: Duplicate entry '9fb70f2345dff74402b27f253a7e90fe' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 21.04.2025 @ 16:27
Script: /addreply.php?postid=29178
Referer: http://gttempel.de/addreply.php?postid=29178