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 ('1181457b406f26e58ff13a8f69d43987','0','216.73.216.174','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1755893991','addreply.php?action=quote&postid=9977','0','0','')
mysql error: Duplicate entry '1181457b406f26e58ff13a8f69d43987' for key 'PRIMARY'
mysql error number: 1062
mysql version: 8.0.11
php version: 5.6.10
Date: 22.08.2025 @ 22:19
Script: /addreply.php?action=quote&postid=9977
Referer: