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 ('64b4d6c25b7a2d32b57628c6058f9d44','0','3.137.177.116','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1734855843','addreply.php?action=quote&postid=33442','0','0','')
mysql error: Duplicate entry '64b4d6c25b7a2d32b57628c6058f9d44' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.12.2024 @ 09:24
Script: /addreply.php?action=quote&postid=33442
Referer: http://gttempel.de/addreply.php?action=quote&postid=33442