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 ('808b0bd832b66e34918ad731d5b7293a','0','216.73.216.115','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1754198440','addreply.php?action=quote&postid=21828','0','0','')
mysql error: Duplicate entry '808b0bd832b66e34918ad731d5b7293a' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 03.08.2025 @ 07:20
Script: /addreply.php?action=quote&postid=21828
Referer: