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 ('6da6bae22651a6ae1b8a2b9ef8ef0354','0','216.73.216.149','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1758139031','addreply.php?action=quote&postid=173067','0','0','')
mysql error: Duplicate entry '6da6bae22651a6ae1b8a2b9ef8ef0354' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.1.73-1
php version: 5.3.3-7+squeeze19
Date: 17.09.2025 @ 21:57
Script: /waller/addreply.php?action=quote&postid=173067
Referer: